Provides a supported, production quality PostgreSQL Replication. Also offers custom programming services, consulting and managed database hosting.

Load balancing multithreaded PostgreSQL connection pool that has a replication mode to keep load balanced backend servers in sync. Currently in Alpha.

An asynchronous replica engine that provides some data ownership models and many conflict resolution algorithms. [open source, GNU License]

Installation guide for triggers to provide Master/Slave replication.

Real time backup utility.