Shifty
A teeny tiny tweening engine in JavaScript. That's all it does.
Prettydiff
Compare code instead of text.
JSON 3
A modern JSON implementation compatible with nearly all JavaScript platforms.
Flotr2
Graphs and Charts for Canvas in JavaScript.
Inferno
An extremely fast, React-like JavaScript library for building modern user interfaces
Css Camera
New way to see a web page with CSS3 3D transform
Postal.js
JavaScript pub/sub library supporting some advanced subscription features, plus message capture and replay
Easystar.js
An asynchronous A* pathfinding API written in Javascript.
Vue
Intuitive, fast & composable MVVM for building interactive interfaces.
Director
a tiny and isomorphic URL router for JavaScript
Bookshelf
A simple Node.js ORM for PostgreSQL, MySQL and SQLite3 built on top of Knex.js
Zebra Datepicker
A super-lightweight, highly configurable, cross-browser date picker jQuery plugin.
Csscritic
A lightweight framework for regression testing of Cascading Style Sheets
Sysend.js
Web application synchronization between different tabs
List
Do you want a 3 KB (gzipped&minified) cross-browser native JavaScript that makes your plain HTML lists and tables super flexible, searchable, sortable and filterable? Yeah! Do you also want the possibility to add, edit and remove items by dead simple templating? Hell yeah!
Ri Ta Js
RiTa: the generative language toolkit (in JS)