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Mu is a simple code editor for beginner programmers based on extensive feedback from teachers and learners. Having said that, Mu is for anyone who wants to use a simple "no frills" editor.

Mu is a modal editor with modes for Adafruit's CircuitPython, the micro:bit's version of MicroPython, PyGame Zero and standard Python 3 (including a graphical debugger). Some of the modes make available a REPL (either running on the connected CircuitPython or MicroPython device or as a Jupyter based iPython session in Python3 mode).

Mu is written in Python and works on Windows, macOS, Linux and Raspberry Pi. The project's public facing website is https://codewith.mu/. We celebrate the work done by users of mu at https://madewith.mu/.

We have extensive developer documentation including a guide for setting up a development environment, contributor guidelines and some suggested first steps.

We want our community to be a friendly place. Therefore, we expect contributors and collaborators to follow our Code of Conduct.