DoctorJS is a great tool for analyzing your script code.
An extremely easy ti use boorkmaklet generator.
jQuery help, a great documentation tool.
Respond.js is a small script that allow you to use CSS3 media queries on browsers that do not support it yet
12) JsDoc Toolkit
Yepnope is an asynchronous conditional resource loader.
JSONView is a Firefox extension that helps you view JSON documents in the browser.
JSonduit is a service that converts web page content into a JSON feed that any website or mobile app can consume.
jsPlumb provides a means for a developer to visually connect elements on their web pages.
22) HTML + JSON ReportOnline
HTML5 JSON Report format to view any JSON data in a human-readable HTML view
The editor can help you edit JSON strings.
Ligature.js will go through the text on a web-page, and insert ligatures where appropriate.
FitText makes font-sizes flexible.
Look no further than JavaLobby if you’re looking to join a community that offers Java-related advice, tip, and stories.
Ajax Daddy is a site that definitely should be appreciated. Containing a large number of Web 2.0 demos, it’s helpful to all programmers.
JSON is a data-interchange format that’s easy for both humans and machines to understand. It’s also built on two structures including a collection of name/value pairs and an ordered list of values.
41) Mozilla Developer Network
MDN is an excellent resouce for both beginners and advanced programmers.
JSFiddle is a great tool for collaborative debugging.
44) Douglas Crockford’s tutorials
45) How to Node
How to Node is a community supported blog about Node.js