Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Codeship - Codeship is a fast and secure hosted Continuous Delivery platform that scales with your needs.
JetBrains TeamCity - TeamCity is a continuous integration and build management system.
Octopus Deploy - Octopus is a friendly deployment automation tool for .NET developers.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
Bamboo - Bamboo is a continuous integration and deployment tool that ties automated builds, tests and releases together in a single workflow.