Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
XL Deploy - Enterprise-scale Application Release Automation for any environment
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
BrowserLeaks.com - BrowserLeaks.com is a website that checks how much private information your web browser is leaking...
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
Codeship - Codeship is a fast and secure hosted Continuous Delivery platform that scales with your needs.