Leporello.js is an interactive functional programming environment for JavaScript.
Cost / License
- Free
- Open Source
Platforms
- Online
- Self-Hosted

CodeJS is described as 'Powerful, free online code editor that serves as an excellent alternative to JSBin, CodePen, and JSFiddle. What sets it apart is its unique integration of three AI assistants' and is a Code Editor in the development category. There are more than 25 alternatives to CodeJS, not only websites but also apps for a variety of platforms, including Self-Hosted, Android, Mac and Windows apps. The best CodeJS alternative is CodePen, which is free. Other great sites and apps similar to CodeJS are jsFiddle, JSPad, JS Bin and kodeWeave.
Leporello.js is an interactive functional programming environment for JavaScript.

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