Photon : UI toolkit for building desktop apps with Electron.
Rickshaw : Rickshaw is a JavaScript toolkit for creating interactive time series graphs.
Zepto.js : Zepto is a minimalist JavaScript library for modern browsers with a largely jQuery-compatible API. If you use jQuery, you already know how to use Zept...
Bliss.js : Want to use Vanilla JS but find native APIs a bit unwieldy? Bliss is for you