💻 JavaScript

Pastebin.com is a website where you can store text for a certain period of time.

A front end web development playground.

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Try for free Open Source freemium

Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications

Online playground for React

Open Source

Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple

Open Source

A secure runtime for JavaScript and TypeScript built with V8, Rust, and Tokio.

Open Source

Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.

Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.

Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.

Open Source

GItHub Codespaces is a hosted remote coding environment by GitHub based on Visual Studio Codespaces integrated directly for GitHub.

Gist is a simple way to share snippets and pastes with others.

Bun is an all-in-one JavaScript runtime & toolkit designed for speed, complete with a bundler, test runner, and Node.js-compatible package manager.

Open Source

Pad editor for source code.