Self-host-first sharing
Room codes, devices, friends, and files.
CrossCopy now has a web service foundation: anonymous room rendezvous, authenticated device registry, temporary file hosting, and friend graph infrastructure in one app.
Rooms
One-time encrypted ticket exchange.
Files
10 MiB uploads with 24 hour expiry.
Devices
Drizzle-backed registry for logged-in users.
Friends
Schema and API foundation for mutual trust.