Urbit

🧑kind serverusage self-hostingenc contenttopology p2pid pubkey

started: 2002
by: Curtis Yarvin
homepage: https://urbit.org
wikipedia: https://en.wikipedia.org/wiki/Urbit

Personal server stack designed from scratch — a deterministic OS (Arvo), functional language (Hoon), and overlay identity/network (Azimuth, Ames). Each user runs their own "ship."