Plan9 & 9front related websites
I just paste these here as I find them.
Sorry if any are dead.
offbeatpursuit.com plan9 notes
A curated list of awesome Plan9 (and sometimes 9p) libraries and software.
wiki.freebsd.org guide for 9front in bhyve
wiki.xxiivv.com/site/plan9.html
github.com/0intro/plan9 historic Plan9 code base