Audio.js
A cross-browser javascript wrapper for the html5 audio tag
Underscore
JavaScript's utility _ belt
Bignumber.js
A JavaScript library for arbitrary-precision decimal and non-decimal arithmetic
Vux
Mobile UI Components based on Vue & WeUI
Timesheet.js
JavaScript library for HTML5 & CSS3 time sheets
Rete
JavaScript framework for visual programming and creating node editor
Webaudio.js
web audio library for games
Timer.js
Timer.js is a periodic timer for Node.js and the browser.
Scene Graph.js
HTML5 Canvas and Animation Framework
Nod
jQuery plugin that gives you frontend validation for forms.
Flexi Color Picker
A pure JavaScript color picker - no images, external libraries, CSS or 1px divs.
Metismenu
A jQuery menu plugin
Jeeliz Face Filter
Javascript/WebGL lightweight face tracking library designed for augmented reality webcam filters. Features : multiple faces detection, rotation, mouth opening. Various integration examples are provided (Three.js, Babylon.js, FaceSwap, Canvas2D, CSS3D...).
Foresight.js
Foresight.js gives webpages the ability to tell if the user's device is capable of viewing high-resolution images (such as the 3rd generation iPad) before the image is requested from the server. Additionally, it judges if the user's device currently has a fast enough network connection for high-resolution images. Depending on device display and network connectivity, foresight.js will request the appropriate image for the webpage.
Barba.js
Create badass, fluid and smooth transition between your website's pages.
Ramda
:ram: Practical functional Javascript
Chance
Chance - Random generator helper for JavaScript