I had discovered it searching on SourceForge originally, but the tmux creator Nicholas Marriott was already an OpenBSD user and he took MAINTAINER for the port.
A year later, tmux was imported by nicm@ to the OpenBSD base system, where it has remained upstream for last 16 years (GitHub sync's from OpenBSD).
https://marc.info/?l=openbsd-ports-cvs&m=121226747005033&w=2
I had discovered it searching on SourceForge originally, but the tmux creator Nicholas Marriott was already an OpenBSD user and he took MAINTAINER for the port.
A year later, tmux was imported by nicm@ to the OpenBSD base system, where it has remained upstream for last 16 years (GitHub sync's from OpenBSD).
https://marc.info/?l=openbsd-cvs&m=124389728412353&w=2