tarteaucitron.js : The european cookie law regulates the management of cookies and you should ask your visitors their consent before exposing them to third party service...
Bliss.js : Want to use Vanilla JS but find native APIs a bit unwieldy? Bliss is for you
Wave.js : Audio visualizer library for javascript. Create dynamic animations that react to an audio file or audio stream.
JSDB.io : JSDB is a collection of the best javascript libraries
Band.js : An interface for the Web Audio API that supports rhythms, multiple instruments, repeating sections, and complex time signatures.
A lightweight library that provides tools for organizing asynchronous code