List: Interesting tools regarding Javascript Development

http://livereload.com/
LiveReload monitors changes in the file system. As soon as you save a file the browser is refreshed.
http://labs.adobe.com/technologies/shadow/
Inspect and preview web workflows on iOS and Android devices
http://handlebarsjs.com/
Handlebars provides the power necessary to let you build semantic templates.
https://github.com/cowboy/grunt
Grunt: a task-based command line build tool for JavaScript projects.
http://ryanseddon.github.com/bunyip/
Automate client-side unit testing in real browsers using the CLI

Zhongde Liu