Parallel - Listen to music with friends over Spotify at the same time
Fountain Greetings - Handwritten cards. Curated gifts. Right at your fingertips.
Slackbox - Spotify playlist collaboration through Slack
Neff Box - A Star Wars Rogue One collector's box
TuneMeet - Chat with people who are listening to the same song
Chargebee Time Machine - Test and visualise future subscription workflows