PostgreSQL, also known as Postgres, is a free and open-source relational database management system (RDBMS) emphasizing extensibility and SQL compliance. It features transactions with Atomicity, Consistency, Isolation, Durability (ACID) properties, automatically updatable views, materialized views, triggers, foreign keys, and stored procedures. It is designed to handle a range of workloads, from single machines to data warehouses or Web services with many concurrent users.

PL/Perl enables an SQL developer to write procedural language functions for PostgreSQL 16 in Perl. You need this package if you have any PostgreSQL 16 functions that use the languages plperl or plperlu.

PL/Tcl enables an SQL developer to write procedural language functions for PostgreSQL 16 in Tcl. You need this package if you have any PostgreSQL 16 functions that use the languages pltcl or pltclu.

library providing __atomic built-in functions. When an atomic call cannot be turned into lock-free instructions, GCC will make calls into this library.

This package contains the headers and static library files needed to build GNU Fortran applications.

This is the GNU Modula-2 standard library that comes with the gm2 compiler.