Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
CMake - CMake is an open-source, cross-platform family of tools designed to build, test and package software.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
SCons - SCons is an Open Source software construction tool—that is, a next-generation build tool.
Chef - Automation for all of your technology. Overcome the complexity and rapidly ship your infrastructure and apps anywhere with automation.
Ninja Build - Ninja is a small build system with a focus on speed.