Invisible.js: Reusable models for the client and the server
A history service for AngularJS. Undo/redo, that sort of thing. Has nothing to do with the "back" button, unless you want it to.
Simple AMD and CommonJS module bundler.
Knockout.js observable arrays get smarter
A platform for running scripts on many browsers
Message and Error logger implementation
A web-based tool to view, edit and format JSON