Special thanks to Roman Liutikov for this handy list!
- jQuery
- Dojo Toolkit
- MooTools
- Backbone.js
- AngularJS
- Ember.js
- Zepto.js
- jQuery Mobile
- Prototype
- script.aculo.us
- Ext JS
- YUI
- Sproutcore
- Cappuccino
- JavaScript MVC
- Asana Luna
- qooxdoo
- Spine
- ActiveJS
- Eyeballs
- Sammy.js
- Choco
- Agility.js
- Knockout
- Jamal
- PureMVC
- TrimPath Junction
- CorMVC
- Batman.js
- Twitter Bootstrap
- Foundation
- Blueprint
- YUI
- 960.gs
- YAML
- Less Framework
- Skeleton
- Golden Grid System
- Fluid Baseline Grid
- Columnal
- Semantic.gs
- 1140px CSS Grid
- 320 and Up
- The Goldilocks Approach
- Inuit.css
- BluCSS
- Frameless
- Gridless
- Amazium
- jQuery UI
- Kendo UI
- MochaUI
- JxLib
- Sigma Ajax UI builder
- jQuery Tools
- Prototype UI
- Codiqa
- Fluid UI
- Easel
- Maqetta
- Proto.io
- HTML5 Boilerplate
- Mobile Boilerplate
- jQuery Boilerplate
- Dojo Boilerplate
- Backbone Boilerplate
- Node Boilerplate
- HTML5 Reset
- HTML Email Boilerplate
- Sublime Text
- Coda
- TextMate
- WebStorm
- Notepad++
- Vim
- Espresso
- gedit
- Brackets
- CodeMirror
- IDEA
- Adobe Edge Code