1. Frameworks
   1. SproutCore
   2. Nitro
   3. Cappuccino
   4. JavascriptMVC
   5. Echo3
2. Libraries
   1. jQuery
   2. ExtJS
   3. MooTools
   4. MochiKit
   5. Sizzle
   6. prototypeJS
   7. Dojo Toolkit
   8. The Most Complete AJAX Framework and JavaScript Libraries List(124+)
3. Profiling
   1. dynaTrace AJAX
   2. RockStar Apps
4. Unit Testing
   1. FireUnit: JavaScript Unit Testing Extension
5. Tools
   1. WP-Cumulus
   2. 280Slides
6. Technologies
   1. Processing.js
      1. ExplorerCanvas
   2. ENVJS
   3. Raphael
   4. Web Workers
7. Modules
   1. Jack
      1. JSGI
   2. Chiron
8. CommonJS
   1. Narwhal
   2. Helma NG
   3. Flusspferd
9. Interpreters
   1. Mozilla Rhino
   2. WebKit SquirrelFish Extreme
   3. Mozilla SpiderMonkey
   4. Google V8
   5. Mozilla TraceMonkey
   6. Microsoft Windows Script Host
   7. Microsoft JScript.Net
   8. Simple ECMAScript Engine
   9. ActionScript
      1. Mozilla ActionMonkey
      2. Mozilla Tamarin
10. Visualization
    1. Advanced Data Visualization Tools using Javascript