Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Nevercode - Continuous integration & delivery for mobile apps made easy. Build, test & release native & cross-platform apps faster with Nevercode. Sign up for free.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
Semaphore - Semaphore is a fully managed, high performance testing and deployment solution for your company. A Continuous Integration tool.
Codeship - Codeship is a fast and secure hosted Continuous Delivery platform that scales with your needs.