MooTools : MooTools is a compact, modular, Object-Oriented JavaScript framework designed for the intermediate to advanced JavaScript developer. It allows you to ...
hunt : Library to detect when DOM elements become visible and disappear on scroll.
Anime.js : Anime.js is a fast, multipurpose and lightweight JavaScript animation library with a simple, yet powerful API.
It works with CSS properties, SVG, DOM ...
ClippyJS : Add Clippy or his friends to any website for instant nostalgia.
Tracery : A story-grammar generation library for javascript. Write grammar objects, get generative stories.
Peer-to-peer data in the web browser.
PeerJS completes WebRTC as an API abstraction, connection broker, and binary serialization format