Partyhero - Pass your friends the aux!
RabbitMQ - RabbitMQ is an open source message broker software.
Join My Playlist - Listen to music live together with your friends in Spotify.
Ethereum - Ethereum is a decentralized platform for applications that run exactly as programmed without any chance of fraud, censorship or third-party interference.
OutLoud Social Jukebox - Control the music with your friends in real-time
Hyperledger - Hyperledger is a multi-project open source collaborative effort hosted by The Linux Foundation, created to advance cross-industry blockchain technologies.