A fun and easy way to build modern websites
Runs tests in many browsers.
Creates Photoshop-like guides and rulers interface on a web page
Visual/CSS regression testing with PhantomJS
Backbone debugger for Firefox
A little tool that inserts a layout grid in web pages, allows you to hold it in place, and toggle between displaying it in the foreground or background.
E2E test framework for Angular apps
jasmine-ajax - A library for faking Ajax responses in your Jasmine suite.
Start apps from your browser and get local domains without editing /etc/hosts http://i.imgur.com/DrLjbIi.gif
Quickly check how well 3rd party script behaves.
End user oriented web performance testing and beaconing
Just a better way to test AngularJS apps.
A lightweight framework for regression testing of Cascading Style Sheets
Holder renders image placeholders entirely on the client side.