Open Source Alternatives to JSFiddle

An online code editor that lets users write, test, and share HTML, CSS, and JavaScript snippets in a browser-based environment. It provides real-time rendering and collaborative features for rapid front-end prototyping.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to JSFiddle give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 1 open source alternative to JSFiddle. The most popular is LiveCodes. It uses the MIT license and ships an official Docker image.