SQLAlchemy

Python SQL toolkit and ORMOpen source· verified Sep 2026

Python's standard database toolkit: a Core layer for composing SQL and an ORM for mapping classes to tables. Works with Postgres, MySQL, SQLite, and more, with sync and async APIs.

Official site

Reach for it when

Database access in Python services
FastAPI and Flask backends

In stack playbooks

FastAPI + Postgres + SQLAlchemy

ORM and query builder

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