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A declarative layer on top of SQLAlchemy. It is a fairly thin wrapper, which provides the ability to define model objects following the Active Record design pattern, and using a DSL syntax similar to that of the Ruby on Rails ActiveRecord system. Elixir does not intend to replace SQLAlchemy's core features, but instead focuses on providing a simpler syntax for defining model objects when you do not need the full expressiveness of SQLAlchemy's manual mapper definitions. Elixir is intended to replace the ActiveMapper SQLAlchemy extension, and the TurboEntity project.

Python interface to MySQL MySQLdb is an interface to the popular MySQL database server for Python. The design goals are: - Compliance with Python database API version 2.0 - Thread-safety - Thread-friendliness (threads will not block each other) - Compatibility with MySQL-3.22 and later This module should be mostly compatible with an older interface written by Joe Skinner and others. However, the older version is a) not thread-friendly, b) written for MySQL 3.21, c) apparently not actively maintained. No code from that version is used in MySQLdb. MySQLdb is free software.

Pyrseas provides a framework and utilities to upgrade and maintain a relational database. Its purpose is to enhance and follow through on the concepts of the Andromeda Project (http://www.andromeda-project.org/)

APSW is a Python wrapper for the SQLite embedded relational database engine. In contrast to other wrappers such as pysqlite it focuses on being a minimal layer over SQLite attempting just to translate the complete SQLite API into Python. The documentation has a section on the differences between APSW and pysqlite. APSW supports CPython 2.3 onwards and CPython 3.1 onwards.

DBUtils is a suite of tools providing solid, persistent and pooled connections to a database that can be used in all kinds of multi-threaded environments like Webware for Python or other web application servers. The suite supports DB-API 2 compliant database interfaces and the classic PyGreSQL interface.

This module provides a nearly complete wrapping of the Sleepycat C API for the Database Environment, Database, Cursor, and Transaction objects, and each of these is exposed as a Python Type in the bsddb3.db module. The database objects can use different access methods, btree, hash, recno, and queue. For the first time all of these are fully supported in the Python wrappers. Please see the document in developers' web site for more details on the types and methods provided.

Carbon is a backend data caching and persistence daemon for Graphite

python-cdb is D. J. Bernstein's constant database library adapted as a python extension module. cdb files are mappings of keys to values, designed for wickedly fast lookups and atomic updates. This module mimics the normal cdb utilities (cdb(get|dump|make)) via convenient high-level Python objects.