Database & Storage

The Python SQL Toolkit and Object Relational Mapper.

Extensible memoizing collections and decorators.

MessagePack serializer implementation for Python.

The Python client for Redis.

Fast, correct JSON library.

The most popular PostgreSQL adapter for Python.

A fast PostgreSQL Database Client Library for Python/asyncio.

A lightweight library for converting complex objects to and from simple Python datatypes.

The official Python client for MongoDB.

A pure Python MySQL driver compatible to mysql-python.

An in-process SQL OLAP database management system; optimized for analytics and fast queries, similar to SQLite but for analytical workloads.

A small, expressive ORM.

The official low-level Python client for Elasticsearch.

The official low-level Python client for OpenSearch.

A fast serialization and validation library with built-in support for JSON, MessagePack, YAML, and TOML.

An ODBC bridge for connecting to SQL Server and any other ODBC-accessible database.

SQLite and file backed cache backend with faster lookups than memcached and redis.

The official ClickHouse client, with SQLAlchemy and Superset connectors.

The official Python driver for Oracle Database, successor to cx_Oracle.

SQLModel is based on Python type annotations, and powered by Pydantic and SQLAlchemy.

MySQL connector with Python 3 support (mysql-python fork).

Python driver with native interface for ClickHouse.

A developer-friendly embedded retrieval database for multimodal AI.

An open-source embedding database for building AI applications with embeddings and semantic search.

The Python Driver for Apache Cassandra.

RFC 9111 compliant HTTP caching for httpx and requests, with sync and async support.

A tiny, document-oriented database.

Official Microsoft driver for SQL Server and Azure SQL, built on ODBC for high performance and low memory usage.

In-process OLAP SQL engine with the full ClickHouse dialect, zero-copy pandas/Arrow interop, and federation to remote ClickHouse clusters via remoteSecure().

A Pythonic interface for Amazon DynamoDB.

A Python Object-Document-Mapper for working with MongoDB.

dogpile.cache is a next generation replacement for Beaker made by the same authors.

A slick ORM cache with automatic granular event-driven invalidation.

An asynchronous Python object-document mapper (ODM) for MongoDB.

Python CLI utility and library for manipulating SQLite databases.

The official Python client for the Meilisearch search engine.

Modular search for Django.

An embedded vector database for on-device RAG and edge AI, the SQLite of vector databases.

Official MongoDB database backend for Django.

(part of Django) The Django ORM.

(Python standard library) SQLite interface compliant with DB-API 2.0.