Nodebook is an in-browser REPL supporting many programming languages from C and derivatives to Lua, Python, Clojure and many more.
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
France
EU


Sites and apps similar to Observable Notebooks include Jupyter, which is free and open source. Other options are IPython, GitNotebooks, Livebook and Briefer. You're spoiled for choice with Jupyter Notebooks like Observable Notebooks: we list more than 25 alternatives for self-hosting, Mac, Windows and Linux.
Nodebook is an in-browser REPL supporting many programming languages from C and derivatives to Lua, Python, Clojure and many more.


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