Zepto
Zepto.js is a minimalist JavaScript library for modern browsers, with a jQuery-compatible API
Dragula
:ok_hand: Drag and drop so simple it hurts
Pdfmake
Client/server side PDF printing in pure JavaScript
Bootstrap Daterangepicker
Date range picker component for Bootstrap
Paper.js
The Swiss Army Knife of Vector Graphics Scripting – Scriptographer ported to JavaScript and the browser, using HTML5 Canvas. Created by @juerglehni & @jonathanpuckey
Sinon.js
Test spies, stubs and mocks for JavaScript.
Peerjs
Peer-to-peer data in the browser
Pace
Automatically add a progress bar to your site. #hubspot-open-source
Jasmine
DOM-less simple JavaScript testing framework
Fuse
Lightweight fuzzy-search, in JavaScript
Marko
Marko template engine
Dom Purify
DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of configurability and hooks. Demo:
Adonis Framework
NodeJs Web Application Framework. Makes it easy for you to write webapps with less code :smiley:
JSHint
JSHint is a community-driven tool to detect errors in JavaScript code and enforce your team's coding conventions.
Protractor
E2E test framework for Angular apps
Node Browserify
browser-side require() the node.js way
UI Router
The de-facto solution to flexible routing with nested views