Autotrack : Automatic and enhanced Google Analytics tracking for common user interactions on the web.
jsmad : jsmad is a pure javascript MP3 decoder, based on libmad, with an ID3 decoder written from scratch.
Workbox : JavaScript Libraries for adding offline support to web apps.
Logerr : Experimenting with window.onerror, trying to make JavaScript debugging easy.
What does it do?
Provides JavaScript error details in a readable format. ...
SPF : A lightweight JS framework for fast navigation and page updates from YouTube
Modest Maps is a small, extensible, and free library for designers and developers who want to use interactive maps in their own projects.