Currently tinkering with:
Kaleido
https://kaleido-app.vercel.app
kaleidoscopic camera toy
fit3
https://fit3.vercel.app
daily workout app with challenges and leaderboards
Qi
https://q-link.xyz
on-chain queuing and event tickets
b0tt0
https://q-link.xyz/apps/qtrucks
food ordering built on Qi
subchain
#not-avaiable-yet
pull-based on-chain subscriptions