@kensanata There's also #fossil which comes with a built-in wiki and bug tracker. But you have to use a different scm altogether which was the main blocker for me. Maybe it's a bit ahead of its time.
https://www.fossil-scm.org/index.html/doc/trunk/www/index.wiki
@njoseph @kensanata Fossil does use the Git transport protocol, which implies it might work fine as a git server.