It is also completely library independent and can be safely used next to NodeJS, jQuery, YUI, Scriptaculous, MooTools, etc.
whs.js is a framework for 3D web apps and games built with Three.js technology. It implements a core with component system and plugin support for fast development of 3D scene with physics.
Collect.js is a convenient and dependency free wrapper for working with arrays and objects.
Flubber is a library to provide a best-guess interpolation for any two arbitrary shapes (or collections of shapes) that results in a reasonably smooth animation.
A couple of ideas for typography animations and letter (hover) effects for playful interactions. Anime.js is used to create animations.
t-scroll is a modern reveal-on-scroll library with useful options and animations.
Aims to return the raw DOM node for you to manipulate directly, using HTML5 tech like
AniX is a lightweight and easy-to-use animation library with excellent performance and good compatibility for modern browsers.
DOMtastic is a small, fast, and modular DOM & Event library for modern browsers. Same familiar API as jQuery.
Works great stand-alone or paired up with e.g. Backbone or Angular.
The scroll monitor allows you to receive events when elements enter or exit a viewport. It does this using watcher objects, which watch an element and trigger events.