Envision JS
Dynamic HTML5 visualization
Zebra Datepicker
A super-lightweight, highly configurable, cross-browser date picker jQuery plugin.
Lining.js
An easy to use javascript plugin offers you complete DOWN-TO-THE-LINE control for radical web typography.
Javascript Astar
A* Search / Pathfinding Algorithm in Javascript
Angled Edges
:triangular_ruler: Quickly create angled section edges using only Sass
Tabletop
Tabletop.js gives spreadsheets legs
Ri Ta Js
RiTa: the generative language toolkit (in JS)
Is.js
Micro check library
Deck.js
Modern HTML Presentations
JS xls
Javascript XLS (Excel 97-2004 spreadsheet) parser and (one day) writer
Pusher Js
Pusher Javascript library
Uilang
A minimal, UI-focused programming language for web designers.
Stretchy
Form element autosizing, the way it should be.
Elevator.js
Finally, a "back to top" button that behaves like a real elevator.
Incubator Echarts
A powerful, interactive charting and visualization library for browser
Motus
Animation library that mimics CSS keyframes when scrolling.
LABjs
Loading And Blocking JavaScript: On-demand parallel loader for JavaScript with execution order dependencies