RequireJS
A file and module loader for JavaScript
Browser Sync
Keep multiple browsers & devices in sync when building websites. http://browsersync.io
Riotjs
The 1kb client side MV* library
Robotjs
Node.js Desktop Automation.
Scroll Magic
The jQuery plugin for magical scroll interactions.
Toastr
Simple javascript toast notifications
Typeahead.js
A fast and fully-featured autocomplete library
Particles.js
A lightweight JavaScript library for creating particles
Q
A tool for making and composing asynchronous promises in JavaScript
Fine Uploader
Multiple file upload plugin with progress-bar, drag-and-drop.
Pdfmake
Client/server side PDF printing in pure JavaScript
Bootstrap Datetimepicker
Date/time picker widget based on twitter bootstrap
Matter JS
a 2D rigid body physics engine for the web
React Toastify
React notification made easy 🚀 !
Interact.js
Drag and drop, resizing and multi-touch gestures with inertia and snapping for modern browsers (and also IE8+)
Knockout
Knockout makes it easier to create rich, responsive UIs with JavaScript
Konva
Konva.js is an HTML5 Canvas JavaScript framework that extends the 2d context by enabling canvas interactivity for desktop and mobile applications.