Kute.js
KUTE.js is a native Javascript animation engine featuring badass performance, morphSVG, drawSVG, 2D and 3D transforms, SVG transforms, colors, as well as other CSS3 properties or presentation attributes.
Infinity
UITableViews for the web.
Simple Parallax
Simple and tiny JavaScript library to add parallax animations on any images
Audio.js
A cross-browser javascript wrapper for the html5 audio tag
Selecto
Selecto.js is a component that allows you to select elements in the drag area using the mouse or touch.
Mobiscroll
The customizable HTML5 spinner/scroller control for touch devices like smartphones and tablets
Asm Dom
A minimal WebAssembly virtual DOM to build C++ SPA (Single page applications)
String.js
Extra JavaScript string methods.
Qooxdoo
A Universal JavaScript Framework
Web Audio Api
The Web Audio API, developed by the W3C Audio WG
Reactable
Fast, flexible, and simple data tables in React
Jsblocks
Better MV-ish Framework
Pencilblue
Full stack online publishing and CMS for Node.js
Batman
Fighting Crime and Kicking Apps
Angular Gantt
A Gantt chart directive for Angular.js without any other dependencies.
Store
A better way to use localStorage and sessionStorage
jQuery Focuspoint
jQuery plugin for 'responsive cropping'. Dynamically crop images to fill available space without cutting out the image's subject. Great for full-screen images.