PostgreSQL: www.postgresql.org

Slony-I: www.slony.info

Download Slony-I: developer.postgresql.org/~wieck/slony1/download/slony1-1.0.5.tar.gz

Slonik Command Summary: gborg.postgresql.org/project/slony1/genpage.php?slonik_commands

Slony-I Mailing List: gborg.postgresql.org/mailman/listinfo/slony1-general

Linux-HA Heartbeat: www.linux-ha.org/heartbeat