Synergy - Cross-platform software for sharing your mouse and keyboard between multiple computers
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Input Director - Control multiple windows systems with one keyboard/mouse. Share a keyboard and mouse across multiple windows system.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Barrier - Barrier is a cross-platform software for sharing your mouse and keyboard between multiple computers...
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.