Londiste is a cascaded replication system built on top of PgQ. This extensions contains in-database support code.

pgmemcache is an extension for PostgreSQL that provides an API to memcached through user-defined functions.

pgnodemx is a PostgreSQL extension that provides SQL functions to allow capture of node OS metrics via SQL queries.

Roc is a network transport, highly specialized for the real-time streaming use case. The user writes the stream to the one end and reads it from another end, and Roc deals with all the complexity of the task of delivering data in time and with no loss. Encoding, decoding, adjusting rates, restoring losses - all these are performed transparently under the hood.

This is a module for PostgreSQL that exposes Perl-compatible regular expressions (PCRE) functionality as functions and operators. It is based on the popular PCRE library.

PostgreSQL extension to make HTTP requests from within the database, returning results for usage in SQL queries.