MUCOM88 related tool - onitama/mucom88 GitHub Wiki
The original extension by Boukichi, the implementation for MacOSX, and binaries, etc. are published. https://github.com/BouKiCHi/mucom88/tags
MDPlayer and mucomMD2vgm support MUCOM88's MML(.muc) by kumatan. https://github.com/kuma4649/MDPlayer https://github.com/kuma4649/mucomMD2vgm/releases
You can try out MUCOM88 on Web, a web browser implementation by aosoft, here. https://aosoft.github.io/MucomWeb.Play/
Derivatives such as MUCOM88 for extended memory by Mr.MUCOM88 have been published. https://github.com/MUCOM88/mucom88
Overgo's macro for Hidemaru editor has been published. https://github.com/overgo256/MUCOM88
Yukinyan's auxiliary tool for rhythm sound source input has been released. https://twitter.com/Yukinyan201006/status/1224567321726898176 https://www.dropbox.com/s/x10kbn0pef0069c/OPNA_Rhythm.ZIP?dl=0
KuSunda's implementation for Mega Drive/Genesis (SGDK) has been released. https://github.com/KuSunda/MUCOM88mdz
Please let us know if you have any other tools that are available to the public.