Drone.io - Continuous Integration For GitHub and Bitbucket That Monitors Your code For Bugs
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Buildbot - Python-based continuous integration testing framework
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
Trac - Trac is a project management and bug/issue tracking system. Provides an interface to Subversion and an integrated wiki.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab