TabBar widget for FreeCAD
Install path for FreeCAD modules depends on the operating system used.
Linux:
/home/user/.FreeCAD/Mod/TabBar/InitGui.py
macOS:
/Users/user_name/Library/Preferences/FreeCAD/Mod/Tabbar/InitGui.py
Windows:
C:\Users\user_name\AppData\Roaming\FreeCAD\Mod\TabBar\InitGui.py
TabBar widget for FreeCAD provides workbench selector with tabs. TabBar preferences are located under Accessories -> TabBar.