TraceKit : Not all browsers support stack traces on error objects, but TraceKit squeezes out as much useful information as possible and normalizes it.
chromeless : The chromeless project is an experiment into making it possible to build a web browser using only web technologies, like HTML, JavaScript, and CSS.
PouchDB : PouchDB is an open-source JavaScript database inspired by Apache CouchDB that is designed to run well within the browser.
PouchDB was created to help ...