Node.js Desktop Automation.
Micro check library
LibreTaxi, free and open source Uber/Lyft alternative to connect passengers and drivers.
Awesome handling of keyboard events
AmplifyJS is a set of components for data management and application communication.
A layout and template manager for Backbone.js applications.
A jQuery plugin for creating smart sticky elements
Making AJAX as easy as anchor tags
The de-facto solution to flexible routing with nested views
React Native for Web
onfire.js is a simple events dispatcher subscribe / publish library (< 1kb). async, simple and usefull.