TraceKit : Not all browsers support stack traces on error objects, but TraceKit squeezes out as much useful information as possible and normalizes it.
Firebug Lite : A JavaScript file you can insert into your pages to simulate the Firebug console in browsers that are not named Firefox.
Lucid Desktop : Lucid is a free, open source web desktop, or webOS that lets you:
Access your media, office documents, and other files anywhere
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Jest : Jest is used by Facebook to test all JavaScript code including React applications. Complete and easy to set-up JavaScript testing solution. Works out ...
Parsley.js : Javascript forms validation.
Powerful, UX aware & Dead simple.
