Awesome Playgrounds

A curated list of interactive playgrounds that let you run code in your browser.

This list was inspired by this tweet from @rauchg.

Contents

• General
  • Web Development
• Dart
• Elm
• Go
• JavaScript
  • Frameworks
  • Libraries
• Kotlin
• Lua
• PHP
• PureScript
• Python
• Rust
• Scala
• Swift

General

• Wandbox - Online compiler service (and API) that supports many languages.

Web Development

• CodePen - Online code editor and sharing platform for front-end designers and developers.
• GraphiQL Demo - Live demo of GraphiQL, an in-browser GraphQL IDE.
• Replit - Online IDE, compiler and interpreter supporting 50+ languages.

Dart

• DartPad - Official open-source playground for Dart.

Elm

• Try Elm - Official playground for Elm.

Go

• Go - Official playground for Go.

JavaScript

• CodeSandbox - Open-source online code editor and prototyping tool for JavaScript web apps.
• StackBlitz - Cloud-based fullstack web IDE for the JavaScript ecosystem.
• JSFiddle - Online code editor for running JavaScript, CSS, HTML or CoffeeScript.
• TypeScript - Official TypeScript playground.
• Babel REPL - REPL that compiles ES6+ code for backwards-compatibility.

Frameworks

• Expo Snack - Online code editor for running and sharing React Native apps.
• Lit - Official playground for Lit, a Web Components library.
• Preact REPL - Official REPL for Preact.
• Qwik - Official playground and compiler for Qwik.
• Solid.js - Official playground and compiler for Solid.js.
• Svelte REPL - Official REPL for Svelte.
• Vue.js SFC - Official playground for Vue.js Single File Components.

Libraries

• Code Hike - Playground for Code Hike, a library for code visualization.
• ESLint - Playground for ESLint, a JavaScript linter.
• Lexical - Playground for Lexical, an extensible text editor.
• Prisma - Playground for Prisma, an ORM for Node.js and TypeScript.
• Rome - Playground for Rome, a unified formatter and linter, with a compiler and bundler coming soon.
• Markdoc - Playground for Markdoc, a Markdown-based authoring library.
• MDX - Playground for MDX, which enables you to use JSX in Markdown.
• Prettier - Playground for Prettier, an opinionated code formatter.
• Tailwind CSS - Playground for Tailwind CSS, a utility-first CSS framework.
• TypeScript-ESLint - Playground for TypeScript-ESLint, a TypeScript linter.

Kotlin

• Kotlin - Official playground for Kotlin.

Lua

• Lua Demo - Official demo of the Lua interpreter.

PHP

• Laravel Playground - Playground for Laravel, a PHP framework.
• PHPSandbox Play - Playground for Composer, a PHP dependency manager.

PureScript

• Try PureScript - Online code editor for PureScript code snippets and ideas.

Python

• Python Shell - Official Python shell running in the browser.
• Jupyter Notebook - Official Jupyter Notebook playgrounds.

Rust

• Rust - An official browser interface to the Rust compiler.

Scala

• Scastie - Interactive playground for Scala.

Swift

• Awesome Swift Playgrounds - A curated list of Swift playgrounds.
• SwiftFiddle - Online playground for creating, sharing and embedding Swift code snippets.

Contributing

Contributions welcome! Please read the contribution guidelines first.