sepgsql is a loadable module that supports label-based mandatory access control (MAC) based on SELinux security

The pg_freespacemap module provides a means for examining the free space map (FSM). It provides a function called pg_freespace

The tablefunc module includes various functions that return tables (that is, multiple rows). These functions are useful both in their own right

The lo module provides support for managing Large Objects (also called LOs or BLOBs). This includes a data type lo and

adminpack provides a number of support functions which pgAdmin and other administration and management tools

btree_gin provides sample GIN operator classes that implement B-tree equivalent behavior for the data types int2,

This module implements a data type ltree for representing labels of data stored in a hierarchical tree-like structure. Extensive facilities for searching

The citext module provides a case-insensitive character string type, citext. Essentially, it internally calls

The pg_stat_statements module provides a means for tracking execution statistics of all SQL statements executed by a server. The

The postgres_fdw module provides the foreign-data wrapper postgres_fdw, which can be used to access data stored in