1. Trac is a project management and bug/issue tracking system. Provides an interface to Subversion and an integrated wiki.

  2. The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.

  3. Simple, high-reliability, distributed software configuration management

  4. Bazaar is a tool for helping people collaborate.

  5. Darcs is an advanced revision control system, for source code or other files.

  6. Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.

  7. An open source, distributed version control and bug tracking system for Windows, Mac OS X, and...

  8. BitKeeper is an open source distributed version control tool.

  9. EasyGit is a wrapper for git, designed to make git easy to learn and use.

  10. monotone is a free distributed version control system.