Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Respondent - Respondent helps you find any target audience in the world for in-person and remote research studies across all research methods including interviews, focus groups, surveys, and more. Respondent works with any research tool you already use.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Startquestion - Say goodbye to boring surveys and forms.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
Qualaroo - Qualaroo makes it easy to survey specific groups of website visitors to gain qualitative information.