Dynamic, browser-based visualization library
Observable data. Reactive functions. Simple code.
Micro check library
A Module Loader for the Web
MJML: the only framework that makes responsive-email easy
Next-generation DOM manipulation
Timeago is a jQuery plugin that makes it easy to support automatically updating fuzzy timestamps (e.g. "4 minutes ago").
Micro client-side router inspired by the Express router (~1200 bytes)
A simple library for uni-directional dataflow application architecture inspired by ReactJS Flux
WinJS project by Microsoft Open Technologies