Can’t tell if you’re joking, but a Request For Comments is effectively a proposal for how a process should be performed.
Some of them are eventually ratified as internet standards by the IETF.
Plenty of them remain useful as defacto standards even without formal acknowledgement.
Aussie Rules (sh.itjust.works)
deleted_by_author
Low tech DHCP (jlai.lu)
Valve issues DMCA takedown for "Team Fortress: Source 2"
Link: nitter.net/TeamFortressS2/…/1745157814295617767...