Meetup on Nostr: Meetup(.)com implemented with Nostr. Project details: https://makers.bolt.fun/project/nostr-meetup
Nostrawars: The multiplayer game that's out of this world! Project details: https://makers.bolt.fun/project/game
Discussion
camelus: camelus is a nostr client written in flutter, it is in heavy development. Currently working on encouraging decentralisation within nostr. Project details: https://makers.bolt.fun/project/camelus