AOP for JS with before, around, on, afterReturning, afterThrowing, after advice, and pointcuts
React Native for Web
Jailed - execute untrusted code with custom permissions
onfire.js is a simple events dispatcher subscribe / publish library (< 1kb). async, simple and usefull.
Awesome handling of keyboard events
A simple, lightweight library making it easy to create routes or run events based on a specific URL hashtag.
filter arrays using mongodb queries
Google Analytics on Steroids. A Google Analytics implementation with more power features.