documentr is a Web-based tool for editing and presenting software documentation. It allows you to easily maintain documentation for multiple products and product branches. Edits can easily be copied between branches, with merge conflicts being handled gracefully. It uses Markdown as its markup language, along with some extensions, and has a role-based permission system.
Git Manager is a Web interface for Git. It allows you to manage and create Git repositories, users, and access groups. It is based on Apache authentication mechanisms (HTTP or LDAP) and uses a MySQL database to store repo/user/group relation data. The ViewGit repository viewer is included.
RepoManager offers a minimalistic approach to Web-based management of version control system repositories. Its goal is to simplify effective handling of repository permissions for a large number of users. Using RepoManager, users themselves are able to grant others permissions to use their repositories whenever they want.