git clone https://github.com/lomnom/Fungelet/
cd Fungelet
git clone https://github.com/lomnom/Terminal/
mv Terminal/Term*.py .
rm -rf Terminal
pip3 install pyyaml
python3 Run.py -h

• Works on Mac and linux natively
• Tested in WSL (use a good terminal tho)

Tutorial & demonstration here

Features of this include:

• Cut, paste, chunk delete and rotate
• Quick instruction reference
• Seeing the pointers and plane evolve live, right in front of your eyes
• An input system built for productivity
• Visualising non-ascii characters as coloured boxes
• Negative regions are as accessible as positive ones
• Concurrency is easy and natural
• And many more quality of life features, on top of an almost entirely compliant implementation of befunge.

befunge examples here. astolfo here

As it is unlikely that there will ever be a substantial number of developers wanting to contribute to or extend this application, I have chosen not to write code documentation. Please feel free to contact me at [email protected] for any queries and explanations related to this application's code.