Heartbeat - Listen to music with your friends together, on Spotify
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Festify - Festify is a free Spotify-powered app that lets your guests choose which music should be played...
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Join My Playlist - Listen to music live together with your friends in Spotify.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.