A cross browser rich text editor with an API
Medium.com WYSIWYG editor clone.
Handlebars provides the power necessary to let you build semantic templates effectively with no frustration. An extension to the Mustache templating language created by Chris Wanstrath.
Selectize is the hybrid of a textbox and <select> box. It's jQuery based and it has autocomplete and native-feeling keyboard navigation; useful for tagging, contact lists, etc.
PouchDB is a pocket-sized database.
Ajax with less suck - (and node.js HTTP client to match)
An extended Bootstrap table with radio, checkbox, sort, pagination, and other added features. (supports twitter bootstrap v2 and v3)
E2E test framework for Angular apps
Simple responsive charts
jQuery Validation Plugin