| amcheck | 1.4 | Functions for verifying relation integrity | 
| autoinc | 1.0 | Functions for autoincrementing fields | 
| bloom | 1.0 | Bloom access method - signature file based index | 
| btree_gin | 1.3 | Support for indexing common datatypes in GIN | 
| btree_gist | 1.7 | Support for indexing common datatypes in GiST | 
| citext | 1.6 | Data type for case-insensitive character strings | 
| credcheck | 3.0.0 | credcheck - PostgreSQL plain text credential checker | 
| cube | 1.5 | Data type for multidimensional cubes | 
| dblink | 1.2 | Connect to other PostgreSQL databases from within a database | 
| dict_int | 1.0 | Text search dictionary template for integers | 
| dict_xsyn | 1.0 | Text search dictionary template for extended synonym processing | 
| earthdistance | 1.2 | Calculate great-circle distances on the surface of the Earth | 
| file_fdw | 1.0 | Foreign-data wrapper for flat file access | 
| fuzzystrmatch | 1.2 | Determine similarities and distance between strings | 
| hstore | 1.8 | Data type for storing sets of (key, value) pairs | 
| hstore_plperl | 1.0 | Transform between hstore and plperl | 
| hstore_plperlu | 1.0 | Transform between hstore and plperlu | 
| hstore_plpython3u | 1.0 | Transform between hstore and plpython3u | 
| insert_username | 1.0 | Functions for tracking who changed a table | 
| intagg | 1.1 | Integer aggregator and enumerator (obsolete) | 
| intarray | 1.5 | Functions, operators, and index support for 1-D arrays of integers | 
| isn | 1.2 | Data types for international product numbering standards | 
| jsonb_plperl | 1.0 | Transform between jsonb and plperl | 
| jsonb_plperlu | 1.0 | Transform between jsonb and plperlu | 
| jsonb_plpython3u | 1.0 | Transform between jsonb and plpython3u | 
| lo | 1.1 | Large Object maintenance | 
| ltree | 1.3 | Data type for hierarchical tree-like structures | 
| ltree_plpython3u | 1.0 | Transform between ltree and plpython3u | 
| moddatetime | 1.0 | Functions for tracking last modification time | 
| pageinspect | 1.12 | Inspect the contents of database pages at a low level | 
| pg_buffercache | 1.5 | Examine the shared buffer cache | 
| pg_cron | 1.6 | Job scheduler for PostgreSQL | 
| pg_freespacemap | 1.2 | Examine the free space map (FSM) | 
| pg_permissions | 1.3 | View object permissions and compare them with the desired state | 
| pg_prewarm | 1.2 | Prewarm relation data | 
| pg_proctab |  | Placeholder - see pg_proctab–0.0.10-compat.control | 
| pg_stat_statements | 1.11 | Track planning and execution statistics of all SQL statements executed | 
| pg_surgery | 1.0 | Extension to perform surgery on a damaged relation | 
| pg_trgm | 1.6 | Text similarity measurement and index searching based on trigrams | 
| pg_visibility | 1.2 | Examine the visibility map (VM) and page-level visibility info | 
| pg_walinspect | 1.1 | Functions to inspect contents of PostgreSQL Write-Ahead Log | 
| pgaudit | 17.1 | Provides auditing functionality | 
| pgauditlogtofile | 1.6 | pgAudit addon to redirect audit entries to an independent file | 
| pgcrypto | 1.3 | Cryptographic functions | 
| pgnodemx | 1.7 | SQL functions that allow capture of node OS metrics from PostgreSQL | 
| pgrowlocks | 1.2 | Show row-level locking information | 
| pgstattuple | 1.5 | Show tuple-level statistics | 
| plpgsql | 1.0 | PL/pgSQL procedural language | 
| plpython3u | 1.0 | PL/Python3U untrusted procedural language | 
| pltcl | 1.0 | PL/Tcl procedural language | 
| pltclu | 1.0 | PL/TclU untrusted procedural language | 
| postgres_fdw | 1.1 | Foreign-data wrapper for remote PostgreSQL servers | 
| refint | 1.0 | Functions for implementing referential integrity (obsolete) | 
| seg | 1.4 | Data type for representing line segments or floating-point intervals | 
| set_user | 4.1.0 | Similar to SET ROLE but with added logging | 
| sslinfo | 1.2 | Information about SSL certificates | 
| tablefunc | 1.0 | Functions that manipulate whole tables, including crosstab | 
| tcn | 1.0 | Triggered change notifications | 
| timescaledb | 2.18.2 | Enables scalable inserts and complex queries for time-series data (Apache 2 Edition) | 
| tsm_system_rows | 1.0 | TABLESAMPLE method which accepts number of rows as a limit | 
| tsm_system_time | 1.0 | TABLESAMPLE method which accepts time in milliseconds as a limit | 
| unaccent | 1.1 | Text search dictionary that removes accents | 
| uuid-ossp | 1.1 | Generate universally unique identifiers (UUIDs) | 
| xml2 | 1.1 | XPath querying and XSLT |