Proof.ink - Proven immutable data stored on the Steem blockchain
particles.js - A lightweight JavaScript library for creating particles.
Quick Freeze - Move faster by skipping the setup and management of local databases and direct integrations.
p5.js - JS library for creating graphic and interactive experiences
Immutable.js - Immutable persistent data collections for Javascript which increase efficiency and simplicity. - immutable-js/immutable-js
Dragula - A drag and drop library for developers