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DBIx::Class::DeploymentHandler is, as its name suggests, a tool for deploying and upgrading databases with DBIx::Class. It is designed to be much more flexible than DBIx::Class::Schema::Versioned, hence the use of Moose and lots of roles.

This module implements create_database and drop_database functions for databases. It aims to provide a common interface to database creation and deletion regardless of the actual database being used. Currently supported databases are MySQL and PostgreSQL.

ORLite is an object-relation system specifically tailored for SQLite that follows many of the same principles as the ::Tiny series of modules and has a design and feature set that aligns directly to the capabilities of SQLite.

SQL::Translator is a group of Perl modules that converts vendor-specific SQL table definitions into other formats, such as other vendor-specific SQL, ER diagrams, documentation (POD and HTML), XML, and Class::DBI classes.

PgWorksheet is a simple GUI frontend to PostgreSQL for executing SQL queries, and psql commands without the need for the psql command line tools. Originally Developed by Henri Michelon, and now currently Maintained and Developed by Chris Hutchinson.

A PECL extension to provide read access to MDB data files as used by Microsoft Access and its underlying JetEngine. It is based on libmdb from the mdbtools package.

psycopg2cffi is an implementation of the psycopg2 module using cffi, the C Foreign Function Interface for Python. psycopg2 is a PostgreSQL database adapter for the Python programming language.

Thick database bindings for MySQL, PostgreSQL and SQLite written in Ada. This is the third release of AdaBase, an abstraction library that provides a consistent interface to multiple database servers. Currently three drivers are provided, MySQL, PostgreSQL and SQLite. It's extensible, so support for other databases such as Firebird, Oracle and MSSQL would be easily possible. AdaBase offers unique features over similar frameworks. For starters, it's limited to database support rather than including many other unwanted components in a "kitchen sink" fashion, and unneeded drivers can be excluded from the library as desired. It's got a developer and commerce friend license (ICS), it comes with good documentation and working examples, and the bindings are thick enough where database server backends can be interchangeable. AdaBase may seem familiar to some users as it was partially inspired by PHP's PDO database framework and is a sequel of sorts to an earlier project by the same author, Pascal Data Objects.

PostGIS adds support for geographic objects to the PostgreSQL object-relational database. In effect, PostGIS "spatially enables" the PostgreSQL server, allowing it to be used as a backend spatial database for geographic information systems (GIS), much like ESRI's SDE or Oracle's Spatial extension. PostGIS follows the OpenGIS "Simple Features Specification for SQL" and has been certified as compliant with the "Types and Functions" profile. PostGIS development was started by Refractions Research as a project in open source spatial database technology. PostGIS is released under the GNU General Public License. PostGIS continues to be developed by a group of contributors led by a Project Steering Committee and new features continue to be added.

PostGIS adds support for geographic objects to the PostgreSQL object-relational database. In effect, PostGIS "spatially enables" the PostgreSQL server, allowing it to be used as a backend spatial database for geographic information systems (GIS), much like ESRI's SDE or Oracle's Spatial extension. PostGIS follows the OpenGIS "Simple Features Specification for SQL" and has been certified as compliant with the "Types and Functions" profile. PostGIS development was started by Refractions Research as a project in open source spatial database technology. PostGIS is released under the GNU General Public License. PostGIS continues to be developed by a group of contributors led by a Project Steering Committee and new features continue to be added.