MisterJack - Make and share playlists
aux.app - A free web-based music platform to play music from other popular online streaming services.
Designers MX - Curated playlists by designers, for designers.
Jukebox - Collaborative music player
Monolist.co - The command center for engineers. Tasks, pull requests, messages, docs — all in one place
humit - A social networking app for music sharing and discovery.