Parsley.js : Javascript forms validation.
Powerful, UX aware & Dead simple.
Intern : Intern is a complete test system for JavaScript designed to help you write and run consistent, high-quality test cases for your JavaScript libraries a...
PeerJS : Peer-to-peer data in the web browser.
PeerJS completes WebRTC as an API abstraction, connection broker, and binary serialization format
Redux : Redux is a predictable state container for JavaScript apps.
It helps you write applications that behave consistently, run in different environments (c...
nlp_compromise does NLP in the browser. It's a handy, and not overly-fancy tool for understanding, changing, and playing with english. We've also got a modest, though ambitious plugin ecosystem.