Mercurial SCM - Mercurial is a free, distributed source control management tool.
Jira - 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.
Apache Subversion - Mirror of Apache Subversion. Contribute to apache/subversion development by creating an account on GitHub.
Collabtive - Collabtive is a web-based project management software.
Git - Git is a free and open source version control system designed to handle everything from small to very large projects with speed and efficiency. It is easy to learn and lightweight with lighting fast performance that outclasses competitors.
Redmine - Flexible project management web application