We've released GitBucket 1.5 several days before.
GitBucket is a Github clone written with Scala. It's based on Scalatra, Slick and JGit.
This release contains many important new features such as:
- Fork and pull request
- LDAP authentication
- Mail notification
See here to know how to setup GitBucket. It's very easy. Please try GitBucket and any feedback is welcome!