Papa Parse
Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input
Medium Editor
Medium.com WYSIWYG editor clone.
jQuery Validation
jQuery Validation Plugin
Grommet
a react-based framework that provides accessibility, modularity, responsiveness, and theming in a tidy package
Cytoscape.js
A JavaScript graph library for analysis and visualisation (compatible with CommonJS/Node.js, AMD/Require.js, jQuery 1.4+, Bower, npm, and plain JavaScript)
Svg.js
A lightweight library for manipulating and animating SVG
Typed.js
A jQuery typing animation script.
Crypto Js
JavaScript library of crypto standards.
Loopback
LoopBack makes it easy to build modern applications that require complex integrations.
Inversify Js
A powerful and lightweight inversion of control container for JavaScript & Node.js apps powered by TypeScript.
Sinon.js
Test spies, stubs and mocks for JavaScript.
Tone.js
A Web Audio framework for making interactive music in the browser.
Stimulus
A modest JavaScript framework for the HTML you already have
Hover
A collection of CSS3 powered hover effects to be applied to links, buttons, logos, SVG, featured images and so on. Easily apply to your own elements, modify or just use for inspiration. Available in CSS, Sass, and LESS.
Pdfkit
A JavaScript PDF generation library for Node and the browser
Zepto
Zepto.js is a minimalist JavaScript library for modern browsers, with a jQuery-compatible API
JSON Editor Online
A web-based tool to view, edit and format JSON