Gitlab is an excellent self-hostable alternative to github.

https://about.gitlab.com/

Maybe relevant:

We're bringing GitLab to FreeBSD. :-)

Check the ruby@ list for current status, things left to do, etc.

https://lists.freebsd.org/pipermail/freebsd-ruby/2015-July/t...

Thanks for that effort! Please let us know if we can help in any way.

It's all stated on the list ;-)

I have been using Redmine for about 2 years now: http://www.redmine.org

... or Trac or even Bugzilla.

Cloud-hosted JIRA is free for OSS projects.