diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d643c7d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,11 @@
+__pycache__/
+
+# Project specific files
+plugin/idg/config/*.png
+plugin/idg/config/*.jpg
+plugin/idg/config/*.jpeg
+plugin/idg/config/*.qgz
+plugin/idg/config/*.qgs
+
+# PyCharm
+.idea/
\ No newline at end of file
diff --git a/README.md b/README.md
index 3d0dd1c..fef271c 100644
--- a/README.md
+++ b/README.md
@@ -2,11 +2,12 @@
 
 Plugin pour QGIS 3 fournissant un accès simple aux données de l'ensemble des Infrastructure de Données Géographiques (IDG) et d'autres ressources nationales géographiques utiles.
 
-Canal de discussions : https://matrix.to/#/!DqHgKIoltGIikFRreo:matrix.org
+Canal de discussions : <https://matrix.to/#/!DqHgKIoltGIikFRreo:matrix.org>
 
 ![QGIS Browser](repo/screenshot_browser_1.png)
 
 Accès aux données des plateformes :
+
 - [DataGrandEst](https://datagrandest.fr/)
 - [GéoBretagne](https://geobretagne.fr)
 - [Géo2France](https://geo2france.fr)
@@ -17,12 +18,10 @@ Accès aux données des plateformes :
 
 Pré-requis :
 
-* QGIS version LTR [3.28] ou supérieure
-* Une connexion Internet
-
-* Installation depuis le dépot QGIS : dans le gestionnaire d'exentions (Extensions > Installer/Gérer les extensions), activer les extensions expérimentales et rechercher le plugin _IDG_
-* Installation depuis le fichier zip : télécharger depuis la derniere [release](https://github.com/geo2france/idg-qgis-plugin/releases) depuis le dépot github.
-
+- QGIS version LTR [3.28] ou supérieure
+- Une connexion Internet
+- Installation depuis le dépot QGIS : dans le gestionnaire d'exentions (Extensions > Installer/Gérer les extensions), activer les extensions expérimentales et rechercher le plugin _IDG_
+- Installation depuis le fichier zip : télécharger depuis la derniere [release](https://github.com/geo2france/idg-qgis-plugin/releases) depuis le dépot github.
 
 ## Utilisation
 
@@ -32,27 +31,26 @@ Créer un nouveau projet et y ajouter les couches que vous souhaitez diffuser.
 > **Warning**
 > Les couches doivent pouvoir être accessibles depuis n'importe où (fichiers distants, flux WMS/WFS, etc.), il ne doit **pas** s'agir de fichiers locaux.
 
-
 Il est recommandé d'[organiser les couches en groupes et sous-groupes](https://docs.qgis.org/3.22/fr/docs/user_manual/introduction/general_tools.html#group-layers-interact).
 
 Dans les propriétés du projets, remplir les champs suivants :
 
 - **Métadonnées > Identification > Titre** : Le nom de la plateforme qui sera visible par l'utilisateur (ex : Geo2France)
 - **Métadonnées > Identification > Résumé** : Facultatif, une brève présentation qui sera visible au survol
-- **Métadonnées > Liens** : Vous pouvez ajouter ici des liens vers les différents services de votre plateforme (ex : contact, catalogue, etc.) 
+- **Métadonnées > Liens** : Vous pouvez ajouter ici des liens vers les différents services de votre plateforme (ex : contact, catalogue, etc.)
    Ceux-ci seront accessibles à l'utilisateur via un clic droit sur le nom de la plateforme. Ajoutez un lien nommé `icon` pour ajouter une icône personnalisée à la plateforme (png ou svg)
 
 Pour chaque couche, vous pouvez définir :
+
 - **Métadonnées > Identification > Titre & Réumé** Un titre et un résumé
 - **Métadonnées > Identification > Liens** créer un lien nommé "Metadata" vers la fiche de métadonnées
 - Une symbologie (style, étiquettes, formulaires, etc.)
 
 Enregistrez le fichier projet (qgs ou qgz) et **déposez le sur un un serveur web** accessible depuis l'exterieur (serveur HTTP, Github, cloud, etc.).
 
-Pour proposer l'ajout d'une plateforme dans le plugin : **éditez le fichier [default_idg.json](plugin/idg/config/default_idg.json)** 
+Pour proposer l'ajout d'une plateforme dans le plugin : **éditez le fichier [default_idg.json](plugin/idg/config/default_idg.json)**
 et faites une _pull request_.
 
-
 ### Utilisateur
 
 Dans le panneau _navigateur_ sur la gauche, double-cliquez sur l'icone **IDG** : cela déroulera les différentes plateformes disponibles.
@@ -63,11 +61,11 @@ Depuis les paramètres du plugin, vous avez la possibilité d'afficher/masquer l
 
 ### Auteurs
 
-* Benjamin Chartier, Jean-Baptiste Desbas
+- Benjamin Chartier, Jean-Baptiste Desbas
 
 ### Source d'inspiration
 
-* Nicolas Damiens
+- Nicolas Damiens
 
 ### Contributeurs
 
@@ -75,9 +73,8 @@ Depuis les paramètres du plugin, vous avez la possibilité d'afficher/masquer l
 
 ### Autres remerciements
 
-* [Julien Moura](https://github.com/Guts) (Oslandia) pour le [template](https://oslandia.gitlab.io/qgis/template-qgis-plugin/) du plugin.
-* Auteurs des icônes de QGIS, reprises dans l'arbre des ressources
-
+- [Julien Moura](https://github.com/Guts) (Oslandia) pour le [template](https://oslandia.gitlab.io/qgis/template-qgis-plugin/) du plugin.
+- Auteurs des icônes de QGIS, reprises dans l'arbre des ressources
 
 ## Licence
 
diff --git a/plugin/idg/.gitignore b/plugin/idg/.gitignore
deleted file mode 100644
index ba0430d..0000000
--- a/plugin/idg/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-__pycache__/
\ No newline at end of file
diff --git a/plugin/idg/browser/__init__.py b/plugin/idg/browser/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/plugin/idg/toolbelt/browser.py b/plugin/idg/browser/browser.py
similarity index 74%
rename from plugin/idg/toolbelt/browser.py
rename to plugin/idg/browser/browser.py
index 19d4b0b..2eb2033 100644
--- a/plugin/idg/toolbelt/browser.py
+++ b/plugin/idg/browser/browser.py
@@ -1,5 +1,6 @@
+import webbrowser
+
 from qgis.core import (
-    Qgis,
     QgsDataItemProvider,
     QgsDataCollectionItem,
     QgsDataItem,
@@ -14,14 +15,14 @@
 )
 from qgis.gui import QgisInterface
 from qgis.PyQt.QtGui import QIcon
-from qgis.PyQt.Qt import QWidget
-from idg.toolbelt import PluginGlobals
-from .remote_platforms import RemotePlatforms
-from idg.__about__ import __title__
 from qgis.PyQt.QtWidgets import QAction, QMenu
 from qgis.utils import iface
-import os.path
-import webbrowser
+
+from idg.plugin_globals import PluginGlobals
+from idg.gui.actions import PluginActions
+from idg.__about__ import DIR_PLUGIN_ROOT
+
+from idg.browser.remote_platforms import RemotePlatforms
 
 
 def find_catalog_url(metadata: QgsAbstractMetadataBase):
@@ -42,65 +43,72 @@ def project_custom_icon_url(metadata: QgsAbstractMetadataBase):
 class IdgProvider(QgsDataItemProvider):
     def __init__(self, iface=iface):
         self.iface = iface
+        self.root = None
         QgsDataItemProvider.__init__(self)
 
     def name(self):
-        return "IDG Provider"
+        return PluginGlobals.BROWSER_PROVIDER_NAME
 
     def capabilities(self):
         return QgsDataProvider.Net
 
     def createDataItem(self, path, parentItem):
-        self.root = RootCollection(self.iface, parent = parentItem)
+        self.root = RootCollection(self.iface, parent=parentItem)
         return self.root
 
 
 class RootCollection(QgsDataCollectionItem):
     def __init__(self, iface: QgisInterface, parent):
         self.iface = iface
-        QgsDataCollectionItem.__init__(self, parent, "IDG", "/IDG")
-        self.setIcon(
-            QIcon(
-                PluginGlobals.instance().plugin_path
-                + "/resources/images/layers-svgrepo-com.svg"
-            )
-        )
+        plugin_tag = PluginGlobals.PLUGIN_TAG
+        QgsDataCollectionItem.__init__(self, parent, plugin_tag, f"/{plugin_tag}")
+
+        plugin_path = DIR_PLUGIN_ROOT.resolve()
+        icon_path = plugin_path / "resources" / "images" / "layers-svgrepo-com.svg"
+        self.setIcon(QIcon(str(icon_path.resolve())))
 
     def actions(self, parent):
         actions = list()
-        add_idg_action = QAction(QIcon(), self.tr("Settings..."), parent)
-        add_idg_action.triggered.connect(
-            lambda: self.iface.showOptionsDialog(
-                currentPage="mOptionsPage{}".format(__title__)
-            )
-        )
-        actions.append(add_idg_action)
+
+        # Settings action
+        actions.append(PluginActions.action_show_settings)
+
+        # Download and reload all files action
+        actions.append(PluginActions.action_reload_idgs)
+
         return actions
 
     def menus(self, parent):
-        menu = QMenu(title=self.tr("Plateforms"), parent=parent)
-        menu.setEnabled(False)  # dev
-        for pf, checked in zip(
-            ["DataGrandEst", "GeoBretagne", "Geo2France", "Indigeo"],
-            [True, False, True, False],
-        ):  # pour maquette TODO boucler sur une variable de conf
-            action = QAction(pf, menu, checkable=True)
-            action.setChecked(checked)
-            menu.addAction(
-                action
-            )  # TODO l'action permet d'activer/désactiver une plateforme. La désactivation supprime le DataCollectionItem et désactive le download du fichier de conf
-        menu.addSeparator()
-        menu.addAction(
-            QAction(
-                self.tr("Add URL"),
-                menu,
-            )
-        )  # TODO Liens vers le panneau Options de QGIS
-        return [menu]
+        # todo: reactivate this menu and make it operational
+        # menu = QMenu(title=self.tr("Plateforms"), parent=parent)
+        # menu.setEnabled(False)  # dev
+        # for pf, checked in zip(
+        #     ["DataGrandEst", "GeoBretagne", "Geo2France", "Indigeo"],
+        #     [True, False, True, False],
+        # ):  # pour maquette TODO boucler sur une variable de conf
+        #     action = QAction(pf, menu, checkable=True)
+        #     action.setChecked(checked)
+        #     menu.addAction(
+        #         action
+        #     )  # TODO l'action permet d'activer/désactiver une plateforme. La désactivation supprime le DataCollectionItem et désactive le download du fichier de conf
+        # menu.addSeparator()
+        # menu.addAction(
+        #     QAction(
+        #         self.tr("Add URL…"),
+        #         menu,
+        #     )
+        # )
+        # return [menu]
+
+        return list()
 
     def createChildren(self):
         children = []
-        for pfc in [PlatformCollection(plateform=pf, parent=self) for pf in RemotePlatforms().plateforms if not pf.is_hidden()]:
+        for pfc in [
+            PlatformCollection(plateform=pf, parent=self)
+            for pf in RemotePlatforms().plateforms
+            if not pf.is_hidden()
+        ]:
             children.append(pfc)
         return children
 
@@ -168,7 +176,7 @@ def hide_plateform(pf):
 
 class GroupItem(QgsDataCollectionItem):
     def __init__(self, parent, name, group):
-        self.path = os.path.join(parent.path, group.name())
+        self.path = parent.path + "/" + group.name()
         self.group = group
         QgsDataCollectionItem.__init__(self, parent, name, self.path)
         self.setIcon(QIcon(QgsApplication.iconPath("mIconFolder.svg")))
@@ -193,7 +201,7 @@ class LayerItem(QgsDataItem):
     def __init__(self, parent, name, layer):
         self.layer = layer
         self.catalog_url = find_catalog_url(layer.metadata())
-        self.path = os.path.join(parent.path, layer.id())
+        self.path = parent.path + "/" + layer.id()
         QgsDataItem.__init__(self, QgsDataItem.Custom, parent, name, self.path)
         self.setState(QgsDataItem.Populated)  # no children
         self.setToolTip(self.layer.metadata().abstract())
@@ -227,13 +235,13 @@ def addLayer(self):
         QgsProject.instance().addMapLayer(self.layer)
 
     def actions(self, parent):
-        ac_open_meta = QAction(self.tr("Show metadata"), parent)
+        ac_open_meta = QAction(self.tr("Show metadata…"), parent)
         if self.catalog_url is not None:
             ac_open_meta.triggered.connect(self.openUrl)
         else:
             ac_open_meta.setEnabled(False)
 
-        ac_show_layer = QAction(self.tr("Display layer"), parent)
+        ac_show_layer = QAction(self.tr("Add layer to map"), parent)
         ac_show_layer.triggered.connect(self.addLayer)
 
         actions = [
diff --git a/plugin/idg/toolbelt/network_manager.py b/plugin/idg/browser/network_manager.py
similarity index 100%
rename from plugin/idg/toolbelt/network_manager.py
rename to plugin/idg/browser/network_manager.py
diff --git a/plugin/idg/toolbelt/remote_platforms.py b/plugin/idg/browser/remote_platforms.py
similarity index 80%
rename from plugin/idg/toolbelt/remote_platforms.py
rename to plugin/idg/browser/remote_platforms.py
index 189411b..5dd07b7 100644
--- a/plugin/idg/toolbelt/remote_platforms.py
+++ b/plugin/idg/browser/remote_platforms.py
@@ -4,15 +4,14 @@
 from qgis.core import QgsProject
 from qgis.PyQt.QtGui import QIcon
 
-from idg.toolbelt import PlgOptionsManager, PluginGlobals
+from idg.toolbelt import PlgOptionsManager
+from idg.plugin_globals import PluginGlobals
 
 
 class RemotePlatforms:
     def __init__(self, read_projects=True):
         self.plateforms = []
-        with open(
-            os.path.join(PluginGlobals.instance().config_dir_path, "default_idg.json")
-        ) as f:  # Télécharger si non existant ?
+        with open(PluginGlobals.CONFIG_FILE_PATH) as f:
             self.stock_idgs = json.load(f)
         self.custom_idg = PlgOptionsManager().get_plg_settings().custom_idgs.split(",")
         self.custom_idg.remove("")
@@ -37,9 +36,7 @@ def url_stock(self):
 
 
 class Plateform:
-    def __init__(
-        self, url, idg_id, read_project=True
-    ):
+    def __init__(self, url, idg_id, read_project=True):
         self.url = url
         self.idg_id = idg_id
         if read_project:
@@ -49,7 +46,7 @@ def read_project(self):
         p = QgsProject()
         if (
             p.read(
-                self.qgis_project_filepath(),
+                str(self.qgis_project_filepath()),
                 QgsProject.ReadFlags()
                 | QgsProject.FlagDontResolveLayers
                 | QgsProject.FlagDontLoadLayouts,
@@ -61,10 +58,9 @@ def read_project(self):
 
     def qgis_project_filepath(self):
         suffix = os.path.splitext(os.path.basename(self.url))[-1]  # .qgs ou .qgz
-        local_file_name = os.path.join(
-            PluginGlobals.instance().config_dir_path, self.idg_id + suffix
-        )
-        return local_file_name
+        local_file_name = self.idg_id + suffix
+        local_file_path = PluginGlobals.CONFIG_DIR_PATH / local_file_name
+        return local_file_path
 
     def is_custom(self):
         # Comparer avec les pf stock
@@ -96,11 +92,9 @@ def icon(self):
         for link in self.project.metadata().links():
             if link.name.lower().strip() == "icon":
                 icon_suffix = os.path.splitext(os.path.basename(link.url))[-1]
+                icon_file_name = str(self.idg_id) + icon_suffix
                 return QIcon(
-                    os.path.join(
-                        PluginGlobals.instance().config_dir_path,
-                        str(self.idg_id) + icon_suffix,
-                    )
+                    str(PluginGlobals.CONFIG_DIR_PATH / icon_file_name)
                 )
         return None
 
diff --git a/plugin/idg/toolbelt/tree_node_factory.py b/plugin/idg/browser/tree_node_factory.py
similarity index 51%
rename from plugin/idg/toolbelt/tree_node_factory.py
rename to plugin/idg/browser/tree_node_factory.py
index c51970a..3562abd 100644
--- a/plugin/idg/toolbelt/tree_node_factory.py
+++ b/plugin/idg/browser/tree_node_factory.py
@@ -1,23 +1,19 @@
 # -*- coding: utf-8 -*-
 
-import os
+from pathlib import Path
 
 from qgis.core import QgsProject
 
 from qgis.PyQt.QtCore import QThread, pyqtSignal
 
-from idg.toolbelt import PluginGlobals
-from .network_manager import NetworkRequestsManager
+from idg.plugin_globals import PluginGlobals
+from idg.browser.network_manager import NetworkRequestsManager
 
 
 class DownloadDefaultIdgListAsync(QThread):
     finished = pyqtSignal()
 
-    def __init__(
-        self,
-        url="https://raw.githubusercontent.com/geo2france/idg-qgis-plugin/dev/plugin/idg/config"
-        "/default_idg.json",
-    ):
+    def __init__(self, url: str):
         super(QThread, self).__init__()
         self.url = url
 
@@ -25,12 +21,12 @@ def run(self):
         qntwk = NetworkRequestsManager()
         qntwk.download_file(
             self.url,
-            os.path.join(PluginGlobals.instance().config_dir_path, "default_idg.json"),
+            str(PluginGlobals.CONFIG_FILE_PATH),
         )
         self.finished.emit()
 
 
-class DownloadAllConfigFilesAsync(QThread):
+class DownloadAllIdgFilesAsync(QThread):
     finished = pyqtSignal()
 
     def __init__(self, idgs):
@@ -43,28 +39,25 @@ def run(self):
         for idg_id, url in self.idgs.items():
             # continue si l'IDG est masquée
             idg_id = str(idg_id)
-            suffix = os.path.splitext(os.path.basename(url))[-1]
-            local_file_name = qntwk.download_file(
-                url,
-                os.path.join(PluginGlobals.instance().config_dir_path, idg_id + suffix),
-            )
-            if local_file_name:
+            suffix = Path(url).suffix
+            local_file_name = idg_id + suffix
+            local_file_path = PluginGlobals.CONFIG_DIR_PATH / local_file_name
+            local_file = qntwk.download_file(url, str(local_file_path))
+            if local_file:
                 project = QgsProject()
                 project.read(
-                    local_file_name,
+                    local_file,
                     QgsProject.ReadFlags()
                     | QgsProject.FlagDontResolveLayers
                     | QgsProject.FlagDontLoadLayouts,
                 )
                 for link in project.metadata().links():
                     if link.name.lower().strip() == "icon":
-                        suffix = os.path.splitext(os.path.basename(link.url))[-1]
-                        qntwk.download_file(
-                            link.url,
-                            os.path.join(
-                                PluginGlobals.instance().config_dir_path,
-                                idg_id + suffix,
-                            ),
+                        icon_suffix = Path(link.url).suffix
+                        icon_file_name = idg_id + icon_suffix
+                        icon_file_path = (
+                            PluginGlobals.CONFIG_DIR_PATH / icon_file_name
                         )
+                        qntwk.download_file(link.url, str(icon_file_path))
                         break
         self.finished.emit()
diff --git a/plugin/idg/config/default_idg.json b/plugin/idg/config/default_idg.json
index 1ec7f85..905f0c0 100644
--- a/plugin/idg/config/default_idg.json
+++ b/plugin/idg/config/default_idg.json
@@ -1,7 +1,7 @@
 {
-  "Géoplateforme": "https://raw.githubusercontent.com/Geoplateforme/plugin_idg_gpf/master/projet_idg_gpf.qgz",
-  "geo2france": "https://raw.githubusercontent.com/geo2france/idg-qgis-plugin-g2f/main/geo2france.qgz",
-  "OPenIG": "https://raw.githubusercontent.com/openig/Plugin-QGIS3-OPenIG/master/OPenIG_qgis_plugin.qgs",
   "DataGrandEst": "https://www.datagrandest.fr/tools/plugin-qgis-datagrandest/config-plugin-idg-datagrandest.qgz",
-  "GéoBretagne": "https://geobretagne.fr/pub/plugin-qgis/config-idg-geobretagne.qgs"  
-}
+  "Géo2France": "https://raw.githubusercontent.com/geo2france/idg-qgis-plugin-g2f/main/geo2france.qgz",
+  "GéoBretagne": "https://geobretagne.fr/pub/plugin-qgis/config-idg-geobretagne.qgz",
+  "Géoplateforme": "https://raw.githubusercontent.com/Geoplateforme/plugin_idg_gpf/master/projet_idg_gpf.qgz",
+  "OPenIG": "https://raw.githubusercontent.com/openig/Plugin-QGIS3-OPenIG/master/OPenIG_qgis_plugin.qgs"
+}
\ No newline at end of file
diff --git a/plugin/idg/gui/actions.py b/plugin/idg/gui/actions.py
new file mode 100644
index 0000000..aea5ade
--- /dev/null
+++ b/plugin/idg/gui/actions.py
@@ -0,0 +1,13 @@
+"""
+Plugin actions.
+"""
+
+from qgis.PyQt.QtWidgets import QAction
+
+
+class PluginActions:
+    """Container for plugin actions shared in several places of the plugin."""
+
+    action_show_help: QAction
+    action_show_settings: QAction
+    action_reload_idgs: QAction
diff --git a/plugin/idg/gui/dlg_settings.py b/plugin/idg/gui/dlg_settings.py
index e928ddd..99067b0 100644
--- a/plugin/idg/gui/dlg_settings.py
+++ b/plugin/idg/gui/dlg_settings.py
@@ -1,35 +1,31 @@
 #! python3  # noqa: E265
 
 """
-    Plugin settings form integrated into QGIS 'Options' menu.
+Plugin settings form integrated into QGIS 'Options' menu.
 """
 
 # standard
 from functools import partial
 from pathlib import Path
-import os.path
-import json
 
 # PyQGIS
-from qgis.core import QgsApplication, Qgis
+from qgis.core import QgsApplication
 from qgis.gui import QgsOptionsPageWidget, QgsOptionsWidgetFactory
-from qgis.utils import iface
 from qgis.PyQt import uic, QtWidgets
-from qgis.PyQt.Qt import QUrl, QWidget
+from qgis.PyQt.Qt import QUrl
 from qgis.PyQt.QtGui import QDesktopServices, QIcon
 
 # project
 from idg.__about__ import (
-    DIR_PLUGIN_ROOT,
     __icon_path__,
     __title__,
     __uri_homepage__,
     __uri_tracker__,
     __version__,
 )
-from idg.toolbelt import PlgLogger, PlgOptionsManager, PluginGlobals, RemotePlatforms, IdgProvider
+from idg.toolbelt import PlgLogger, PlgOptionsManager
+from idg.browser.remote_platforms import RemotePlatforms
 from idg.toolbelt.preferences import PlgSettingsStructure
-from idg.toolbelt.tree_node_factory import DownloadAllConfigFilesAsync
 
 # ############################################################################
 # ########## Globals ###############
@@ -74,7 +70,6 @@ def __init__(self, parent):
         super().__init__(parent)
         self.log = PlgLogger().log
         self.plg_settings = PlgOptionsManager()
-        settings = self.plg_settings.get_plg_settings()
 
         # load UI and set objectName
         self.setupUi(self)
@@ -84,52 +79,80 @@ def __init__(self, parent):
         self.lbl_title.setText(f"{__title__} - Version {__version__}")
 
         # customization
-        self.btn_help.setIcon(QIcon(QgsApplication.iconPath("mActionHelpContents.svg")))
+        self.btn_help.setIcon(QgsApplication.getThemeIcon("mActionHelpContents.svg"))
         self.btn_help.pressed.connect(
             partial(QDesktopServices.openUrl, QUrl(__uri_homepage__))
         )
 
         self.btn_report.setIcon(
-            QIcon(QgsApplication.iconPath("console/iconSyntaxErrorConsole.svg"))
+            QIcon(":images/themes/default/console/iconSyntaxErrorConsole.svg")
         )
         self.btn_report.pressed.connect(
             partial(QDesktopServices.openUrl, QUrl(f"{__uri_tracker__}"))
         )
 
-        self.btn_reset.setIcon(QIcon(QgsApplication.iconPath("mActionUndo.svg")))
+        self.btn_reset.setIcon(QgsApplication.getThemeIcon("mActionUndo.svg"))
         self.btn_reset.pressed.connect(self.reset_settings)
 
-        # table widget
-        self.idgs_list.horizontalHeader().setSectionResizeMode(
+        # Hide non operational widgets
+        # todo: make them work
+        self.lbl_custom_platforms.hide()
+        self.tbl_platforms_list.hide()
+        self.btn_add_platform.hide()
+
+        # Custom IDGs list
+        self.tbl_platforms_list.horizontalHeader().setSectionResizeMode(
             QtWidgets.QHeaderView.Stretch
-        )  # Etirer la colonne à 100% du tableau
-        self.btn_addrow.setIcon(QIcon(":images/themes/default/symbologyAdd.svg"))
-        self.btn_addrow.clicked.connect(
-            lambda: self.idgs_list.setRowCount(self.idgs_list.rowCount() + 1)
+        )  # Stretch the column in order to use the full width of the table
+
+        # Button to add a custom IDG
+        self.btn_add_platform.setIcon(QgsApplication.getThemeIcon("symbologyAdd.svg"))
+        self.btn_add_platform.clicked.connect(
+            lambda: self.tbl_platforms_list.setRowCount(
+                self.tbl_platforms_list.rowCount() + 1
+            )
         )
 
-        # Lire la config pour voir quels sont les PF masquées
         self.vbox = QtWidgets.QVBoxLayout()
         self.checkboxes = []
         self.groupBox_stock.setLayout(self.vbox)
-        for k in RemotePlatforms(read_projects=False).stock_idgs.keys():
-            cb = QtWidgets.QCheckBox(k)
-            self.vbox.addWidget(cb)
-            self.checkboxes.append(cb)
 
         # load previously saved settings
         self.load_settings()
 
+    def _update_default_idgs_list(self):
+        self.checkboxes = []
+
+        # Clear content of layout
+        for i in reversed(range(self.vbox.count())):
+            self.vbox.itemAt(i).widget().setParent(None)
+
+        # Create checkboxes
+        for pf_name in RemotePlatforms(read_projects=False).stock_idgs.keys():
+            cb = QtWidgets.QCheckBox(pf_name)
+            self.vbox.addWidget(cb)
+            self.checkboxes.append(cb)
+
+        # Set values to checkboxes
+        settings = self.plg_settings.get_plg_settings()
+        hidden_idg = settings.hidden_idgs.split(",")
+        for cb in self.checkboxes:
+            if cb.text() in hidden_idg:
+                cb.setChecked(False)
+            else:
+                cb.setChecked(True)
+
     def apply(self):
         """Called to permanently apply the settings shown in the options page (e.g. \
         save them to QgsSettings objects). This is usually called when the options \
         dialog is accepted."""
         settings = self.plg_settings.get_plg_settings()
 
-        # misc
+        # Misc
         settings.version = __version__
-        settings.custom_idgs = ",".join(tablewidgetToList(self.idgs_list, 0))
+        settings.custom_idgs = ",".join(tablewidgetToList(self.tbl_platforms_list, 0))
 
+        # Default IDG list
         hidden__idgs_arr = []
         for cb in self.checkboxes:
             print(cb.text(), cb.checkState())
@@ -138,54 +161,58 @@ def apply(self):
                 # Add to hidden PF
         settings.hidden_idgs = ",".join(hidden__idgs_arr)
 
-        # dump new settings into QgsSettings
-        self.plg_settings.save_from_object(
-            settings
-        )  # Les variables globales ne sont peut être pas MAJ ici
-
-        items = {c.idg_id : c.url for c in RemotePlatforms(read_projects=False).plateforms if not c.is_hidden()}
-        registry = QgsApplication.instance().dataItemProviderRegistry()
-        provider = registry.provider(IdgProvider().name())
-        self.task = DownloadAllConfigFilesAsync(items) # Download non-hidden idg
-        self.task.finished.connect(provider.root.refresh)
-        self.task.start()
+        # Dump new settings into QgsSettings
+        self.plg_settings.save_from_object(settings)
+
         if __debug__:
             self.log(
                 message="DEBUG - Settings successfully saved.",
                 log_level=4,
             )
 
+        # Send signal to plugin
+        self.settings_updated()
+
+    def plugin_config_file_reloaded(self):
+        self._update_default_idgs_list()
+
     def load_settings(self):
         """Load options from QgsSettings into UI form."""
         settings = self.plg_settings.get_plg_settings()
-        hidden_idg = settings.hidden_idgs.split(",")
-        for c in self.checkboxes:
-            if c.text() in hidden_idg:
-                c.setChecked(False)
-            else:
-                c.setChecked(True)
-        self.idgs_list.setRowCount(len(settings.custom_idgs.split(",")) + 1)
+
+        # Default IDG list
+        self._update_default_idgs_list()
+
+        # Custom IDG list
+        self.tbl_platforms_list.setRowCount(len(settings.custom_idgs.split(",")) + 1)
         listToTablewidget(
-            settings.custom_idgs.split(","), self.idgs_list, column_index=0
+            settings.custom_idgs.split(","), self.tbl_platforms_list, column_index=0
         )
 
+        # Version of the plugin used to save the settings
+        self.lbl_version_saved_value.setText(settings.version)
+
     def reset_settings(self):
         """Reset settings to default values (set in preferences.py module)."""
         default_settings = PlgSettingsStructure()
 
-        # dump default settings into QgsSettings
+        # Dump default settings into QgsSettings
         self.plg_settings.save_from_object(default_settings)
         self.load_settings()
-        provider = QgsApplication.instance().dataItemProviderRegistry().provider("IDG Provider")
-        provider.root.refresh()
+
+        # Call download function
+        self.download_tree_config_file(end_slot=self.plugin_config_file_reloaded)
+
 
 
 class PlgOptionsFactory(QgsOptionsWidgetFactory):
     """Factory for options widget."""
 
-    def __init__(self):
+    def __init__(self, settings_updated=None, download_tree_config_file=None):
         """Constructor."""
         super().__init__()
+        self.settings_updated = settings_updated
+        self.download_tree_config_file = download_tree_config_file
 
     def icon(self) -> QIcon:
         """Returns plugin icon, used to as tab icon in QGIS options tab widget.
@@ -204,7 +231,15 @@ def createWidget(self, parent) -> ConfigOptionsPage:
         :return: options page for tab widget
         :rtype: ConfigOptionsPage
         """
-        return ConfigOptionsPage(parent)
+        options_page = ConfigOptionsPage(parent)
+
+        # Plugin functions to be called on dlg_settings events
+        if self.settings_updated:
+            options_page.settings_updated = self.settings_updated
+        if self.download_tree_config_file:
+            options_page.download_tree_config_file = self.download_tree_config_file
+
+        return options_page
 
     def title(self) -> str:
         """Returns plugin title, used to name the tab in QGIS options tab widget.
diff --git a/plugin/idg/gui/dlg_settings.ui b/plugin/idg/gui/dlg_settings.ui
index d50b1b7..c000913 100644
--- a/plugin/idg/gui/dlg_settings.ui
+++ b/plugin/idg/gui/dlg_settings.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>715</width>
-    <height>561</height>
+    <height>560</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -60,22 +60,72 @@
      </property>
     </widget>
    </item>
+   <item>
+    <layout class="QHBoxLayout" name="version_used_layout">
+     <item>
+      <spacer name="sp_horizontal_header_left">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QLabel" name="lbl_version_saved">
+       <property name="locale">
+        <locale language="English" country="UnitedStates"/>
+       </property>
+       <property name="text">
+        <string>Version used to save settings:</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="lbl_version_saved_value">
+       <property name="text">
+        <string>version x.y.z</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="sp_horizontal_header_right">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+    </layout>
+   </item>
    <item>
     <widget class="QGroupBox" name="groupBox_stock">
      <property name="title">
       <string>Default plateforms</string>
      </property>
+     <property name="flat">
+      <bool>false</bool>
+     </property>
     </widget>
    </item>
    <item>
-    <widget class="QLabel" name="label">
+    <widget class="QLabel" name="lbl_custom_platforms">
      <property name="text">
       <string>Custom plateforms</string>
      </property>
     </widget>
    </item>
    <item>
-    <widget class="QTableWidget" name="idgs_list">
+    <widget class="QTableWidget" name="tbl_platforms_list">
      <property name="enabled">
       <bool>false</bool>
      </property>
@@ -107,106 +157,93 @@
     </widget>
    </item>
    <item>
-    <widget class="QToolButton" name="btn_addrow">
+    <widget class="QToolButton" name="btn_add_platform">
      <property name="text">
-      <string notr="true" extracomment="Add row">...</string>
+      <string notr="true" extracomment="Add row">…</string>
      </property>
     </widget>
    </item>
    <item>
-    <widget class="QGroupBox" name="grp_misc">
-     <property name="minimumSize">
+    <spacer name="sp_vertical_spacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
       <size>
-       <width>0</width>
-       <height>100</height>
+       <width>20</width>
+       <height>40</height>
       </size>
      </property>
-     <property name="locale">
-      <locale language="English" country="UnitedStates"/>
-     </property>
-     <property name="title">
-      <string>Miscellaneous</string>
+    </spacer>
+   </item>
+   <item>
+    <widget class="Line" name="ln_horizontal_line_1">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
      </property>
-     <property name="flat">
-      <bool>false</bool>
+    </widget>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="misc_layout">
+     <item>
+      <widget class="QPushButton" name="btn_help">
+       <property name="enabled">
+        <bool>true</bool>
+       </property>
+       <property name="locale">
+        <locale language="English" country="UnitedStates"/>
+       </property>
+       <property name="text">
+        <string>Help…</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="btn_report">
+       <property name="enabled">
+        <bool>true</bool>
+       </property>
+       <property name="locale">
+        <locale language="English" country="UnitedStates"/>
+       </property>
+       <property name="text">
+        <string>Report an issue…</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="sp_horizontal_button_bar">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="btn_reset">
+       <property name="enabled">
+        <bool>true</bool>
+       </property>
+       <property name="autoFillBackground">
+        <bool>true</bool>
+       </property>
+       <property name="text">
+        <string>Reset setttings to factory defaults</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="Line" name="ln_horizontal_line_2">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
      </property>
-     <layout class="QGridLayout" name="gridLayout">
-      <item row="0" column="0">
-       <widget class="QPushButton" name="btn_help">
-        <property name="enabled">
-         <bool>true</bool>
-        </property>
-        <property name="minimumSize">
-         <size>
-          <width>200</width>
-          <height>25</height>
-         </size>
-        </property>
-        <property name="maximumSize">
-         <size>
-          <width>500</width>
-          <height>30</height>
-         </size>
-        </property>
-        <property name="locale">
-         <locale language="English" country="UnitedStates"/>
-        </property>
-        <property name="text">
-         <string>Help</string>
-        </property>
-       </widget>
-      </item>
-      <item row="1" column="0" colspan="2">
-       <widget class="QPushButton" name="btn_reset">
-        <property name="enabled">
-         <bool>true</bool>
-        </property>
-        <property name="minimumSize">
-         <size>
-          <width>200</width>
-          <height>25</height>
-         </size>
-        </property>
-        <property name="maximumSize">
-         <size>
-          <width>16777215</width>
-          <height>30</height>
-         </size>
-        </property>
-        <property name="autoFillBackground">
-         <bool>true</bool>
-        </property>
-        <property name="text">
-         <string>Reset setttings to factory defaults</string>
-        </property>
-       </widget>
-      </item>
-      <item row="0" column="1">
-       <widget class="QPushButton" name="btn_report">
-        <property name="enabled">
-         <bool>true</bool>
-        </property>
-        <property name="minimumSize">
-         <size>
-          <width>200</width>
-          <height>25</height>
-         </size>
-        </property>
-        <property name="maximumSize">
-         <size>
-          <width>500</width>
-          <height>30</height>
-         </size>
-        </property>
-        <property name="locale">
-         <locale language="English" country="UnitedStates"/>
-        </property>
-        <property name="text">
-         <string>Report an issue</string>
-        </property>
-       </widget>
-      </item>
-     </layout>
     </widget>
    </item>
   </layout>
diff --git a/plugin/idg/metadata.txt b/plugin/idg/metadata.txt
index f195827..3014142 100644
--- a/plugin/idg/metadata.txt
+++ b/plugin/idg/metadata.txt
@@ -24,5 +24,12 @@ qgisMinimumVersion=3.00
 qgisMaximumVersion=3.99
 
 # versioning
-version=0.2.4
-changelog=Bugfix, Amélioration performances
+version=0.2.5
+changelog= - Ajout d'un paramètre pour activer/désactiver le téléchargement du fichier de configuration au lancement (par défaut True) (config_files_download_at_startup)
+           - Ajout d'un bouton pour forcer le rechargement des fichiers distants
+           - Retrait des éléments non fonctionnels du panneau de configuration (plateformes custom)
+           - Suppression des paramètres obsolètes du plugin (qui étaient accessibles via la fenêtre des paramètres de QGIS)
+           - Réorganisation du code en vue d'une maintenance plus facile
+           - Amélioration de l'organisation des éléments dans la fenêtre de paramétrage du plugin
+           - Affichage de la liste des IDG dans l'ordre alphabétique (dans la fenêtre de paramétrage)
+           - Utilisation de la bonne orthographe pour "Géo2France"
diff --git a/plugin/idg/plugin_globals.py b/plugin/idg/plugin_globals.py
new file mode 100644
index 0000000..1ac70ce
--- /dev/null
+++ b/plugin/idg/plugin_globals.py
@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+
+from idg.__about__ import DIR_PLUGIN_ROOT
+from pathlib import Path
+
+
+class PluginGlobals:
+    """ """
+
+    PLUGIN_TAG: str = "IDG"
+    CONFIG_DIR_NAME: str = "config"
+    DEFAULT_CONFIG_FILE_NAME: str = "default_idg.json"
+    BROWSER_PROVIDER_NAME: str = "IDG Provider"
+    CONFIG_DIR_PATH: Path
+    CONFIG_FILE_PATH: Path
+    PLUGIN_PATH: Path
+
+    def __init__(self):
+        self.init_constants()
+
+    @classmethod
+    def init_constants(cls):
+        """
+        Init calculated class variables
+        """
+
+        PluginGlobals.PLUGIN_PATH = DIR_PLUGIN_ROOT.resolve()
+
+        PluginGlobals.CONFIG_DIR_PATH = (
+            PluginGlobals.PLUGIN_PATH / PluginGlobals.CONFIG_DIR_NAME
+        ).resolve()
+        PluginGlobals.CONFIG_FILE_PATH = (
+            PluginGlobals.CONFIG_DIR_PATH / PluginGlobals.DEFAULT_CONFIG_FILE_NAME
+        ).resolve()
diff --git a/plugin/idg/plugin_main.py b/plugin/idg/plugin_main.py
index e0fa8c4..3031580 100644
--- a/plugin/idg/plugin_main.py
+++ b/plugin/idg/plugin_main.py
@@ -1,7 +1,7 @@
 #! python3  # noqa: E265
 
 """
-    Main plugin module.
+Main plugin module.
 """
 
 # PyQGIS
@@ -17,17 +17,16 @@
 from idg.gui.dlg_settings import PlgOptionsFactory
 
 from idg.toolbelt import PlgLogger, PlgTranslator
-
-
-from idg.toolbelt import PluginGlobals, IdgProvider
-from idg.toolbelt.remote_platforms import RemotePlatforms
-from idg.toolbelt.tree_node_factory import (
-    DownloadAllConfigFilesAsync,
+from idg.toolbelt import PlgOptionsManager
+from idg.plugin_globals import PluginGlobals
+from idg.gui.actions import PluginActions
+from idg.browser.remote_platforms import RemotePlatforms
+from idg.browser.browser import IdgProvider
+from idg.browser.tree_node_factory import (
+    DownloadAllIdgFilesAsync,
     DownloadDefaultIdgListAsync,
 )
 
-import os
-import json
 
 # ############################################################################
 # ########## Classes ###############
@@ -51,14 +50,7 @@ def __init__(self, iface: QgisInterface):
             QCoreApplication.installTranslator(translator)
         self.tr = plg_translation_mngr.tr
 
-        PluginGlobals.instance().set_plugin_path(
-            os.path.dirname(os.path.abspath(__file__))
-        )
-        # PluginGlobals.instance().set_plugin_iface(self.iface)
-        PluginGlobals.instance().reload_globals_from_qgis_settings()
-
-        config_struct = None
-        config_string = ""
+        PluginGlobals.init_constants()
 
         self.registry = QgsApplication.instance().dataItemProviderRegistry()
         self.provider = IdgProvider(self.iface)
@@ -68,55 +60,43 @@ def __init__(self, iface: QgisInterface):
 
     def post_ui_init(self):
         """Run after plugin's UI has been initialized."""
-        items ={c.idg_id : c.url for c in RemotePlatforms(read_projects=False).plateforms if not c.is_hidden()}
-        self.task1 = DownloadDefaultIdgListAsync()
-        self.task2 = DownloadAllConfigFilesAsync(
-            items
-        )
-        self.task1.finished.connect(self.task2.start)
-        self.task2.finished.connect(lambda : self.registry.addProvider(self.provider))
-
-        self.task1.start()
+        self.registry.addProvider(self.provider)
 
-    def need_download_tree_config_file(self):
-        """
-        Do we need to download a new version of the resources tree file?
-        2 possible reasons:
-        - the user wants it to be downloading at plugin start up
-        - the file is currently missing
-        """
-
-        return (
-            PluginGlobals.instance().CONFIG_FILES_DOWNLOAD_AT_STARTUP > 0
-            or not os.path.isfile(PluginGlobals.instance().config_file_path)
-        )
+        self.download_all_config_files()
 
     def initGui(self):
         """Set up plugin UI elements."""
 
         # settings page within the QGIS preferences menu
-        self.options_factory = PlgOptionsFactory()
+        self.options_factory = PlgOptionsFactory(
+            self.settings_updated_slot, self.download_tree_config_file_slot
+        )
         self.iface.registerOptionsWidgetFactory(self.options_factory)
 
         # -- Actions
-        self.action_help = QAction(
-            QIcon(":/images/themes/default/mActionHelpContents.svg"),
-            self.tr("Help", context="IdgPlugin"),
+        PluginActions.action_show_help = QAction(
+            QgsApplication.getThemeIcon("mActionHelpContents.svg"),
+            self.tr("Help…", context="IdgPlugin"),
             self.iface.mainWindow(),
         )
-        self.action_help.triggered.connect(
+        PluginActions.action_show_help.triggered.connect(
             lambda: showPluginHelp(filename="resources/help/index")
         )
 
-        self.action_settings = QAction(
+        PluginActions.action_show_settings = QAction(
             QgsApplication.getThemeIcon("console/iconSettingsConsole.svg"),
-            self.tr("Settings"),
+            self.tr("Settings…"),
             self.iface.mainWindow(),
         )
-        self.action_settings.triggered.connect(
-            lambda: self.iface.showOptionsDialog(
-                currentPage="mOptionsPage{}".format(__title__)
-            )
+        PluginActions.action_show_settings.triggered.connect(self.show_settings_dialog)
+
+        PluginActions.action_reload_idgs = QAction(
+            QgsApplication.getThemeIcon("mActionRefresh.svg"),
+            self.tr("Reload files"),
+            self.iface.mainWindow(),
+        )
+        PluginActions.action_reload_idgs.triggered.connect(
+            self.download_all_config_files
         )
 
         # -- Menu
@@ -124,19 +104,22 @@ def initGui(self):
         # Create a menu
         self.createPluginMenu()
 
+    def show_settings_dialog(self):
+        self.iface.showOptionsDialog(currentPage="mOptionsPage{}".format(__title__))
 
     def unload(self):
         """Cleans up when plugin is disabled/uninstalled."""
         # -- Clean up menu
-        self.iface.removePluginMenu(__title__, self.action_help)
-        self.iface.removePluginMenu(__title__, self.action_settings)
+        self.iface.removePluginMenu(__title__, PluginActions.action_show_help)
+        self.iface.removePluginMenu(__title__, PluginActions.action_show_settings)
 
         # -- Clean up preferences panel in QGIS settings
         self.iface.unregisterOptionsWidgetFactory(self.options_factory)
 
         # remove actions
-        del self.action_settings
-        del self.action_help
+        del PluginActions.action_show_settings
+        del PluginActions.action_reload_idgs
+        del PluginActions.action_show_help
         """
         Removes the plugin menu
         """
@@ -153,30 +136,88 @@ def createPluginMenu(self):
         self.plugin_menu = QMenu(__title__, plugin_menu)
         plugin_menu.addMenu(self.plugin_menu)
 
-        self.plugin_menu.addAction(self.action_settings)
-        self.plugin_menu.addAction(self.action_help)
+        self.plugin_menu.addAction(PluginActions.action_show_settings)
+        self.plugin_menu.addAction(PluginActions.action_reload_idgs)
+        self.plugin_menu.addAction(PluginActions.action_show_help)
 
-    def run(self):
-        """Main process.
+    def settings_updated_slot(self):
+        """Function called when the settings are updated"""
 
-        :raises Exception: if there is no item in the feed
+        self.download_all_config_files()
+
+    def _get_active_remote_plateforms(self):
+        """Get the list of the active platforms (non-hidden ones)."""
+        active_platforms = {
+            pf.idg_id: pf.url
+            for pf in RemotePlatforms(read_projects=False).plateforms
+            if not pf.is_hidden()
+        }
+
+        return active_platforms
+
+    def _need_download_tree_config_file(self):
         """
-        # Jamais utilisé ?
-        try:
-            self.log(
-                message=self.tr(
-                    text="Everything ran OK.",
-                    context="IdgPlugin",
-                ),
-                log_level=3,
-                push=False,
-            )
-        except Exception as err:
+        Do we need to download a new version of the resources tree file?
+        2 possible reasons:
+        - the user wants it to be downloading at plugin start up
+        - the file is currently missing
+        """
+        config_file_exists = PluginGlobals.CONFIG_FILE_PATH.is_file()
+
+        settings = PlgOptionsManager().get_plg_settings()
+
+        return settings.download_files_at_startup > 0 or not config_file_exists
+
+    def download_all_config_files(self, end_slot=None):
+        """Download the plugin config file and all the files of the active platforms.
+        Hidden platform files are not downloaded."""
+
+        self.log(
+            message="DEBUG - prepare threads for downloading files...",
+            log_level=4,
+        )
+
+        active_platforms = self._get_active_remote_plateforms()
+
+        settings = PlgOptionsManager().get_plg_settings()
+        config_file_url = settings.config_file_url
+
+        if not end_slot:
+            end_slot = self.refresh_data_provider
+
+        self.task1 = DownloadDefaultIdgListAsync(url=config_file_url)
+        self.task2 = DownloadAllIdgFilesAsync(active_platforms)
+        self.task1.finished.connect(self.task2.start)
+        self.task2.finished.connect(end_slot)
+
+        self.task1.start()
+
+    def download_tree_config_file_slot(self, file_url=None, end_slot=None):
+        """Download the plugin config file.
+        Platform files are not downloaded."""
+
+        self.log(
+            message="DEBUG - prepare thread for downloading plugin config file...",
+            log_level=4,
+        )
+
+        settings = PlgOptionsManager().get_plg_settings()
+        config_file_url = file_url or settings.config_file_url
+
+        if not end_slot:
+            end_slot = self.refresh_data_provider
+
+        self.task1 = DownloadDefaultIdgListAsync(url=config_file_url)
+        self.task1.finished.connect(end_slot)
+
+        self.task1.start()
+
+    def refresh_data_provider(self):
+        if __debug__:
             self.log(
-                message=self.tr(
-                    text="Houston, we've got a problem: {}".format(err),
-                    context="IdgPlugin",
-                ),
-                log_level=2,
-                push=True,
+                message="DEBUG - refresh_data_provider.",
+                log_level=4,
             )
+
+        if self.provider and self.provider.root:
+            self.provider.root.refresh()
diff --git a/plugin/idg/resources/help/index.html b/plugin/idg/resources/help/index.html
index 89434c4..25f61bf 100644
--- a/plugin/idg/resources/help/index.html
+++ b/plugin/idg/resources/help/index.html
@@ -3,13 +3,13 @@
 
 <head>
     <meta charset="utf-8">
-    <title>Redirecting...</title>
+    <title>Redirecting…</title>
     <script>var anchor = window.location.hash.substr(1); location.href = "https://github.com/geo2france/idg-qgis-plugin"</script>
 </head>
 
 <body>
 
-    <p>Redirection to the online documentation...</p>
+    <p>Redirection to the online documentation…</p>
 
 </body>
 
diff --git a/plugin/idg/resources/i18n/idg_fr.qm b/plugin/idg/resources/i18n/idg_fr.qm
index 05bf2c5..63510b7 100644
Binary files a/plugin/idg/resources/i18n/idg_fr.qm and b/plugin/idg/resources/i18n/idg_fr.qm differ
diff --git a/plugin/idg/resources/i18n/idg_fr.ts b/plugin/idg/resources/i18n/idg_fr.ts
index bf59f2e..e9a83a4 100644
--- a/plugin/idg/resources/i18n/idg_fr.ts
+++ b/plugin/idg/resources/i18n/idg_fr.ts
@@ -4,9 +4,9 @@
 <context>
     <name>@default</name>
     <message>
-        <location filename="../../toolbelt/browser.py" line="51"/>
-        <source>Settings...</source>
-        <translation type="obsolete">Paramètres...</translation>
+        <location filename="../../browser/browser.py" line="69"/>
+        <source>Settings…</source>
+        <translation type="obsolete">Paramètres…</translation>
     </message>
 </context>
 <context>
@@ -17,71 +17,76 @@
         <translation>Formulaire</translation>
     </message>
     <message>
-        <location filename="../../gui/dlg_settings.ui" line="128"/>
-        <source>Miscellaneous</source>
-        <translation>Divers</translation>
+        <location filename="../../gui/dlg_settings.ui" line="197"/>
+        <source>Report an issue…</source>
+        <translation>Signaler un bug…</translation>
     </message>
     <message>
-        <location filename="../../gui/dlg_settings.ui" line="205"/>
-        <source>Report an issue</source>
-        <translation>Signaler un bug</translation>
-    </message>
-    <message>
-        <location filename="../../gui/dlg_settings.ui" line="149"/>
+        <location filename="../../gui/dlg_settings.ui" line="84"/>
         <source>Version used to save settings:</source>
-        <translation type="obsolete">Version utilisées pour sauvegarder la configuration:</translation>
+        <translation>Version utilisée pour sauvegarder la configuration :</translation>
     </message>
     <message>
-        <location filename="../../gui/dlg_settings.ui" line="155"/>
-        <source>Help</source>
-        <translation>Aide</translation>
+        <location filename="../../gui/dlg_settings.ui" line="184"/>
+        <source>Help…</source>
+        <translation>Aide…</translation>
     </message>
     <message>
-        <location filename="../../gui/dlg_settings.ui" line="180"/>
+        <location filename="../../gui/dlg_settings.ui" line="223"/>
         <source>Reset setttings to factory defaults</source>
         <translation>Réinitialiser les paramètres par défaut</translation>
     </message>
     <message>
-        <location filename="../../gui/dlg_settings.ui" line="66"/>
+        <location filename="../../gui/dlg_settings.ui" line="113"/>
         <source>Default plateforms</source>
-        <translation>Plateformes IDG</translation>
+        <translation>Plateformes par défaut</translation>
     </message>
     <message>
-        <location filename="../../gui/dlg_settings.ui" line="73"/>
+        <location filename="../../gui/dlg_settings.ui" line="123"/>
         <source>Custom plateforms</source>
         <translation>Plateformes supplémentaires</translation>
     </message>
+    <message>
+        <location filename="../../gui/dlg_settings.ui" line="91"/>
+        <source>version x.y.z</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>IdgPlugin</name>
     <message>
-        <location filename="../../plugin_main.py" line="89"/>
-        <source>Help</source>
-        <translation>Aide</translation>
+        <location filename="../../plugin_main.py" line="77"/>
+        <source>Help…</source>
+        <translation>Aide…</translation>
+    </message>
+    <message>
+        <location filename="../../plugin_main.py" line="86"/>
+        <source>Settings…</source>
+        <translation>Paramètres…</translation>
     </message>
     <message>
-        <location filename="../../plugin_main.py" line="98"/>
-        <source>Settings</source>
-        <translation>Paramètres</translation>
+        <location filename="../../plugin_main.py" line="93"/>
+        <source>Reload files</source>
+        <translation>Recharger les fichiers</translation>
     </message>
 </context>
 <context>
     <name>LayerItem</name>
     <message>
-        <location filename="../../toolbelt/browser.py" line="195"/>
-        <source>Show metadata</source>
-        <translation>Voir les métadonnées</translation>
+        <location filename="../../browser/browser.py" line="235"/>
+        <source>Show metadata…</source>
+        <translation>Afficher les métadonnées…</translation>
     </message>
     <message>
-        <location filename="../../toolbelt/browser.py" line="201"/>
-        <source>Display layer</source>
-        <translation>Afficher la couche</translation>
+        <location filename="../../browser/browser.py" line="241"/>
+        <source>Add layer to map</source>
+        <translation>Ajouter la couche à la carte</translation>
     </message>
 </context>
 <context>
     <name>PlatformCollection</name>
     <message>
-        <location filename="../../toolbelt/browser.py" line="134"/>
+        <location filename="../../browser/browser.py" line="168"/>
         <source>Hide</source>
         <translation>Masquer</translation>
     </message>
@@ -89,19 +94,19 @@
 <context>
     <name>RootCollection</name>
     <message>
-        <location filename="../../toolbelt/browser.py" line="55"/>
-        <source>Settings...</source>
-        <translation>Paramètres...</translation>
+        <location filename="../../browser/browser.py" line="69"/>
+        <source>Settings…</source>
+        <translation type="obsolete">Paramètres…</translation>
     </message>
     <message>
-        <location filename="../../toolbelt/browser.py" line="65"/>
+        <location filename="../../browser/browser.py" line="82"/>
         <source>Plateforms</source>
         <translation>Plateformes</translation>
     </message>
     <message>
-        <location filename="../../toolbelt/browser.py" line="72"/>
-        <source>Add URL</source>
-        <translation>Ajouter une URL</translation>
+        <location filename="../../browser/browser.py" line="94"/>
+        <source>Add URL…</source>
+        <translation>Ajouter une URL…</translation>
     </message>
 </context>
 </TS>
diff --git a/plugin/idg/resources/i18n/plugin_translation.pro b/plugin/idg/resources/i18n/plugin_translation.pro
index 9d1496e..4ff4a24 100644
--- a/plugin/idg/resources/i18n/plugin_translation.pro
+++ b/plugin/idg/resources/i18n/plugin_translation.pro
@@ -1,5 +1,6 @@
 FORMS = ../../gui/dlg_settings.ui
 
-SOURCES= ../../plugin_main.py ../../toolbelt/browser.py
+SOURCES= ../../plugin_main.py \
+    ../../browser/browser.py
 
 TRANSLATIONS = idg_fr.ts
diff --git a/plugin/idg/toolbelt/__init__.py b/plugin/idg/toolbelt/__init__.py
index 841860d..571a794 100644
--- a/plugin/idg/toolbelt/__init__.py
+++ b/plugin/idg/toolbelt/__init__.py
@@ -2,8 +2,3 @@
 from .log_handler import PlgLogger  # noqa: F401
 from .preferences import PlgOptionsManager  # noqa: F401
 from .translator import PlgTranslator  # noqa: F401
-from .plugin_globals import PluginGlobals
-from .singleton import Singleton
-from .browser import IdgProvider
-from .remote_platforms import RemotePlatforms
-from .network_manager import NetworkRequestsManager  # noqa: F401
diff --git a/plugin/idg/toolbelt/log_handler.py b/plugin/idg/toolbelt/log_handler.py
index e41f7ce..789c8dd 100644
--- a/plugin/idg/toolbelt/log_handler.py
+++ b/plugin/idg/toolbelt/log_handler.py
@@ -129,7 +129,7 @@ def log(
                 notification = iface.messageBar().createMessage(
                     title=application, text=message
                 )
-                widget_button = QPushButton(button_text or "More...")
+                widget_button = QPushButton(button_text or "More…")
                 if button_connect:
                     widget_button.clicked.connect(button_connect)
                 else:
diff --git a/plugin/idg/toolbelt/plugin_globals.py b/plugin/idg/toolbelt/plugin_globals.py
deleted file mode 100644
index 472373a..0000000
--- a/plugin/idg/toolbelt/plugin_globals.py
+++ /dev/null
@@ -1,62 +0,0 @@
-# -*- coding: utf-8 -*-
-
-import sys
-import os
-import json
-from .singleton import Singleton
-from .preferences import PlgOptionsManager
-from qgis.PyQt.QtCore import QSettings
-
-
-@Singleton
-class PluginGlobals:
-    """ """
-
-    iface = None
-    plugin_path = None
-    PLUGIN_TAG = "IDG"
-    CONFIG_DIR_NAME = "config"
-    CONFIG_FILE_NAMES = ["projet_idg.qgs"]
-    CONFIG_FILES_DOWNLOAD_AT_STARTUP = PlgOptionsManager().get_value_from_key(
-        "config_files_download_at_startup"
-    )
-
-    def __init__(self):
-        self.default_qsettings = {"CONFIG_FILE_NAMES": self.CONFIG_FILE_NAMES}
-        self.config_dir_path = None
-        self.config_file_path = None
-        self.images_dir_path = None
-        self.logo_file_path = None
-
-    def set_plugin_path(self, plugin_path):
-        self.plugin_path = plugin_path
-
-    def reload_globals_from_qgis_settings(self):
-        """
-        Reloads the global variables of the plugin
-        """
-
-        # Read the qgis plugin settings
-        s = QSettings()
-        self.CONFIG_FILES_DOWNLOAD_AT_STARTUP = (
-            True
-            if s.value(
-                "{0}/config_files_download_at_startup".format(self.PLUGIN_TAG),
-                self.CONFIG_FILES_DOWNLOAD_AT_STARTUP,
-            )
-            == "1"
-            else False
-        )
-
-        self.CONFIG_DIR_NAME = s.value(
-            "{0}/config_dir_name".format(self.PLUGIN_TAG), self.CONFIG_DIR_NAME
-        )
-
-        self.CONFIG_FILE_NAMES = s.value(
-            "{0}/config_file_names".format(self.PLUGIN_TAG), self.CONFIG_FILE_NAMES
-        )
-
-        self.config_dir_path = os.path.join(self.plugin_path, self.CONFIG_DIR_NAME)
-        self.config_file_path = os.path.join(
-            self.config_dir_path, self.CONFIG_FILE_NAMES[0]
-        )
diff --git a/plugin/idg/toolbelt/preferences.py b/plugin/idg/toolbelt/preferences.py
index 34e8ae1..e48421a 100644
--- a/plugin/idg/toolbelt/preferences.py
+++ b/plugin/idg/toolbelt/preferences.py
@@ -1,20 +1,20 @@
 #! python3  # noqa: E265
 
 """
-    Plugin settings.
+Plugin settings.
 """
 
 # standard
 from dataclasses import asdict, dataclass, fields
-import json
 
 # PyQGIS
 from qgis.core import QgsSettings
 from qgis.PyQt.QtCore import QVariant
 
 # package
-import idg.toolbelt.log_handler as log_hdlr
+import idg.toolbelt
 from idg.__about__ import __title__, __version__
+from idg.plugin_globals import PluginGlobals
 
 # ############################################################################
 # ########## Classes ###############
@@ -29,11 +29,13 @@ class PlgSettingsStructure:
     debug_mode: bool = False
     version: str = __version__
     configs_folder: str = ""
-    config_files_download_at_startup: bool = False
-    hide_empty_groups: bool = True
-    hide_resources_with_warn_status: bool = True
+    download_files_at_startup: bool = True
     custom_idgs: str = ""
     hidden_idgs: str = ""
+    config_file_url: str = (
+        "https://raw.githubusercontent.com/geo2france/idg-qgis-plugin/"
+        "dev/plugin/idg/config/default_idg.json"
+    )
 
 
 class PlgOptionsManager:
@@ -76,7 +78,7 @@ def get_value_from_key(
         :return: plugin settings value matching key
         """
         if not hasattr(PlgSettingsStructure, key):
-            log_hdlr.PlgLogger.log(
+            idg.toolbelt.log_handler.PlgLogger.log(
                 message="Bad settings key. Must be one of: {}".format(
                     ",".join(PlgSettingsStructure._fields)  # A fixer
                 ),
@@ -90,7 +92,7 @@ def get_value_from_key(
         try:
             out_value = settings.value(key=key, defaultValue=default, type=exp_type)
         except Exception as err:
-            log_hdlr.PlgLogger.log(
+            idg.toolbelt.log_handler.PlgLogger.log(
                 message="Error occurred trying to get settings: {}.Trace: {}".format(
                     key, err
                 )
@@ -113,7 +115,7 @@ def set_value_from_key(cls, key: str, value) -> bool:
         :rtype: bool
         """
         if not hasattr(PlgSettingsStructure, key):
-            log_hdlr.PlgLogger.log(
+            idg.toolbelt.log_handler.PlgLogger.log(
                 message="Bad settings key. Must be one of: {}".format(
                     ",".join(PlgSettingsStructure._fields)
                 ),
@@ -128,7 +130,7 @@ def set_value_from_key(cls, key: str, value) -> bool:
             settings.setValue(key, value)
             out_value = True
         except Exception as err:
-            log_hdlr.PlgLogger.log(
+            idg.toolbelt.log_handler.PlgLogger.log(
                 message="Error occurred trying to set settings: {}.Trace: {}".format(
                     key, err
                 )
diff --git a/plugin/idg/toolbelt/singleton.py b/plugin/idg/toolbelt/singleton.py
deleted file mode 100644
index b286056..0000000
--- a/plugin/idg/toolbelt/singleton.py
+++ /dev/null
@@ -1,45 +0,0 @@
-# -*- coding: utf-8 -*-
-
-"""
-From http://stackoverflow.com/a/7346105
-"""
-
-
-class Singleton:
-    """
-    A non-thread-safe helper class to ease implementing singletons.
-    This should be used as a decorator -- not a metaclass -- to the
-    class that should be a singleton.
-
-    The decorated class can define one `__init__` function that
-    takes only the `self` argument. Other than that, there are
-    no restrictions that apply to the decorated class.
-
-    To get the singleton instance, use the `instance` method. Trying
-    to use `__call__` will result in a `TypeError` being raised.
-
-    Limitations: The decorated class cannot be inherited from.
-
-    """
-
-    def __init__(self, decorated):
-        self._decorated = decorated
-
-    def instance(self):
-        """
-        Returns the singleton instance. Upon its first call, it creates a
-        new instance of the decorated class and calls its `__init__` method.
-        On all subsequent calls, the already created instance is returned.
-
-        """
-        try:
-            return self._instance
-        except AttributeError:
-            self._instance = self._decorated()
-            return self._instance
-
-    def __call__(self):
-        raise TypeError("Singletons must be accessed through `instance()`.")
-
-    def __instancecheck__(self, inst):
-        return isinstance(inst, self._decorated)