Free System Distribution Guidelines (GNU FSDG)

- Complete Distros
- License Rules
- Nonfree Firmware
- Non-functional Data
- Trademarks
- Documentation
- Patents
- No Malware
- Commitment to Correct Mistakes
- Maintenance
- Name Confusion
- Teach Users about Free Software
- Avoid Repeating Propaganda and Confusion

https://www.gnu.org/distros/free-system-distribution-guidelines.html