AltCoffee - It's basically a crypto version of buy me a coffee.
Magic Playlist - Get the playlist of your dreams based on a song
MineAMask - Donate spare CPU power to generate funds & fight COVID-19
Spotalike - Spotify playlist with similar songs, according to Last.fm
Crypto Reef - Donate Crypto, build a virtual reef, support real reefs. 🐠
Spotify - Map shows when two people play same song at same time