Code Playgrounds
Online code playground platforms for browser-based coding without local installation.
| Platform | Languages | Key Features |
|---|---|---|
| Glitch (discontinued for app hosting) | JavaScript, Node.js, HTML, CSS, React | Historical reference only; app hosting ended July 8, 2025 |
| OpenProcessing | JavaScript, HTML, CSS | Tutorial Mode, Classrooms, P5.js awareness, Infinite Loop Protection |
| P5.js Editor | JavaScript, HTML, CSS | Remix, Formatting, P5.js optimized |
| Replit | JavaScript, HTML, Java, C/C++, CSS, Node.js | Classrooms, Templates, Remix, Integrated Console, Git Integration |
| CodePen | JavaScript, HTML, CSS | Gallery-focused design environment |
| JSFiddle | HTML, JavaScript, CSS | Lightweight testing platform |
| JS Bin | HTML, JavaScript, CSS | Older platform, less commonly used now |
| CodeSandbox | JavaScript, HTML, CSS, Node.js, React | Templates, Git Integration |
| ShaderToy | WebGL | Gallery of shader visualizations |
| GitPod | Multiple languages | Cloud-based development environment |
| PaizaCloud | Node.js | Supports Jupyter Notebook, MySQL, Ruby on Rails |