| flux | Logs table data changes and reconstructs rows as they existed in the past. |
| format | A string formatting function which takes named parameters |
| hstore_hash_ops | PostgreSQL hstore GIN operator classes: hash and exact pair indexes |
| hstore_ops | Alternative GIN operator classes for hstore, optimized for smaller indexes and faster containment queries. |
| hstore_pllua | Hstore transform for Lua |
| hstore_plluau | Hstore transform for untrusted Lua |
| hstore_plperl | transform between hstore and plperl |
| hstore_plperlu | transform between hstore and plperlu |
| hstore_plphp | Transform between hstore and PHP associative arrays for PL/php |
| hstore_plpython2u | transform between hstore and plpython2u |
| hstore_plpython3u | transform between hstore and plpython3u |
| hstore_plpythonu | transform between hstore and plpythonu |
| hstore_plruby | Transform between hstore and Ruby Hashes for PL/Ruby |
| json_enhancements_with_hstore | Backport of pg 9.3 JSON enhancements to PostgreSQL 9.2 |
| mbus | simple message bus for pg |
| meta_triggers | Insert, update and delete triggers for the meta system catalog |
| numhstore | Adds inthstore and floathstore numeric hstore types and helpers |
| pg_auditor | Audit data changes and provide flashback ability |
| pg_readme | Generate a Markdown README from PostgreSQL COMMENT objects |
| pg_rowalesce | rowalesce() is like coalesce(), but for rows and other composite types. |
| pg_utility_trigger_functions | Some pet trigger functions that the extension author likes to follow him through various PostgreSQL projects. |
| pg_xenophile | More than the bare necessities for PostgreSQL i18n and l10n. |
| sys_syn_dblink | PL/pgSQL synchronization processor that pulls sys_syn queues over named dblink connections, transforms batches, writes local tables, and returns processing status to the source database. |