nlp_compromise : 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 ...
Sammy.js : Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.
React : A JavaScript library for building user interfaces
ClippyJS : Add Clippy or his friends to any website for instant nostalgia.
Frappe Charts : GitHub-inspired simple and modern charts for the web with zero dependencies.
A simple library for handling keyboard shortcuts in Javascript.