Description: Hacker UI is a lean and themable library of primitive React components.
It focuses on creating a very thin layer over standard HTML elements to keep the library fast, stable, and easy to use.

Description: Keyboard shortcuts, Markdown, and powerful Draft.js & React customizations

Description: Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine.

Description: Production grade React applications that scale. The world’s leading companies use Next.js by Vercel to build static and dynamic websites and web applications.

Description: A nice collection of often useful examples done in React.js

Description: WinBox is a modern HTML5 window manager for the web. Lightweight, outstanding performance, no dependencies, fully customizable, free and open source!

Description: A JavaScript library to brighten up your user's site experience with visual effects!

Description: JSchallenger. Free Javascript challenges. Learn Javascript online by solving coding exercises. Javascript for all levels. Solve Javascript tasks from beginner to advanced levels.

Description: gcao/T.js. T - a javascript template engine. Contribute to gcao/T.js development by creating an account on GitHub.

Description: EJS -- Embedded JavaScript templates. 'E' is for 'effective'. EJS is a simple templating language that lets you generate HTML markup with plain JavaScript. No religiousness about how to organize things. No reinvention of iteration and control-flow. It's just plain JavaScript.

Description: JS Bin. Sample of the bin:

Description: JSFiddle - Code Playground. Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.

Description: JS GooDies

Description: Echo JS - JavaScript News

Description: Design Pttrns. Check out the finest collection of design patterns, resources, mobile apps and inspiration

Description: HTML5, CSS3, JS Demos, Creations and Experiments | CSSDeck. Collection of Awesome CSS and JS Creations to help out frontend developers and designers.

Description: Textures.js. A JavaScript Library for creating SVG patterns

Description: C3.js | D3-based reusable chart library. D3 based reusable chart library

Description: JavaScript Chart Library | JSCharting. JSCharting includes 150+ advanced JavaScript chart types plus stock charts, maps, Gantt, and dashboard gauges all bundled at no additional charge.