freedom.js : freedom.js is a framework for building peer-to-peer (P2P) web apps. Easily create social applications that work in modern web browsers, Chrome package...
ZeroDB : ZeroDB enables clients to run queries over encrypted databases without exposing decrypted data to the server and without a proxy gateway.
UnQLite : UnQLite is a in-process software library which implements a self-contained, serverless, zero-configuration, transactional NoSQL database engine. UnQLi...
Flok : Web-based P2P collaborative editor for live coding music and graphics
Freebase : A community-curated database of well-known people, places, and things
Scuttlebot is an open source peer-to-peer log store used as a database, identity provider, and messaging system. It has:
Global replication
File-synchronization
End-to-end encryption