Backbone debugger for Firefox
Visual/CSS regression testing with PhantomJS
Bluebird is a full featured promise library with unmatched performance.
📷 Create a timelapse of your web development... or just automatically take screenshots of your hard work ;)
The jQuery Mockjax Plugin provides a simple and extremely flexible interface for mocking or simulating ajax requests and responses
Fast, easy and reliable testing for anything that runs in a browser.
jasmine-ajax - A library for faking Ajax responses in your Jasmine suite.
Fast, reliable, and secure dependency management.
CSS coding style formatter
A package manager for the web, created at Twitter
Holder renders image placeholders entirely on the client side.
Modern Prototyping Tool
HTTP mocking and expectations library
Playing with console errors, experimental project.