Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Intro - Personal branding theme for developers.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
You Should Meet - An app to make quick and easy introductions between 2 people
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
Treatings - Online/offline platform to create professional relationships