TraceKit : Not all browsers support stack traces on error objects, but TraceKit squeezes out as much useful information as possible and normalizes it.
JSDB.io : JSDB is a collection of the best javascript libraries
PeerJS : Peer-to-peer data in the web browser.
PeerJS completes WebRTC as an API abstraction, connection broker, and binary serialization format
Push by Nickersoft : A compact, cross-browser solution for using the JavaScript Notifications API
dancer.js : dancer.js is a high-level audio API, usable with both Mozilla's Audio Data API and Webkit's Web Audio API with flash fallback, designed to make sweet ...
Add Clippy or his friends to any website for instant nostalgia.
