Slony-I:

slony_failover
Script to provide interactive Switchover/Failover and Autofailover for Slony-I clusters

• git repo
• slony_failover github repo

pgbouncer_follower
Script to make PgBouncer follow sets in a Slony-I cluster (i.e. during failover, move set etc)

• git repo
• github repo

PostgreSQL:

dblt
Simple Npgsql based database load generator and response measurement tool for PostgreSQL

• git repo
• github repo
• blog post

jsonb operator functions for PostgreSQL 9.4
Test attempt at hstore style delete, replace and concatenate C functions and operators for PostgreSQL 9.4. This was just playing around to see how jsonb worked internally, jsonb functionality has improved since; see the postgres docs or the 9.4 compatible jsonbx extension

• git repo
• github repo
• Initial eqivalent tests in sql github repo and git repo