This list is incomplete; you can help by expanding it.

• https://git.doof.net/proxdongl3: PCB to adapt rear D-Sub to 9-33V passive PoE + USB + I²C EEPROM + power button.
• https://github.com/checkraisefold/rust-feig-app: PM3↔cVEND protocol analysis
• https://git.uninsane.org/shelvacu/proxmobil-stuff trash can grab bag of stuff, currently mainly doom building for arm32 static. Pulls in https://github.com/shelvacu-forks/fbdoom
• https://github.com/Jarynnnn/PROXMobil3-HOP basic kinda jank portland, OR HOP card emulator, creates a systemd service for persistency
• https://wiki.pm3.dev/printables Miscellaneous 3D printable objects