Gogs

 Gogs  is a self-hosted Git server with additional features such as issue management.

IndieWeb Examples

 * has been running a Gogs server for private repositories since 2016-02-13, and wrote a post about the process of setting it up

Criticism
Apparent lack of dogfooding: Gogs is developed and hosted on GitHub.

Development process: complaints about not enough activity by the maintainer lead to the creation of the fork Gitea.