Sayonara - Linux audio player and music library manager
GoToPitch - GoToPitch.
Untrack Me - Surf the web, free from tracking
Meja - Pitch your ideas, get constructive feedback!
Mopidy - Mopidy is an extensible music server written in Python. Mopidy plays music from local disk, Spotify, SoundCloud, Google Play Music, and more. You edit the playlist from any phone, tablet, or computer using a range of MPD and web clients.
Pitchdeck - Pitch Deck is a web-based solution to you create engaging presentations.