<b_jonas> slashlearn farbfeld//zzo38\'s Farbfeld utilities is a package of command-line programs (with rather strange command-line syntax) for manipulating images in a specific raw format called farbfeld. It\'s somewhat underdocumented. http://zzo38computer.org/fossil/farbfeld.ui/home

mycology is a Befunge-98 (also -93 to some extent) testsuite that can be found at https://deewiant.iki.fi/projects/mycology/