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.
repmgr : repmgr is an open-source tool suite for managing replication and failover in a cluster of PostgreSQL servers. It enhances PostgreSQL's built-in hot-st...
db : With DB you can very easily save, restore, and archive snapshots of your database from the command line. It supports connecting to different database ...
The Hype Machine : The Hype Machine follows music blog discussions
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