The best FastAPI alternatives
3 tools that do a similar job to FastAPI, 3 of them open source. Each entry says what it does and who it suits, so you can pick the one that fits instead of the most famous.
- 1
Redoc
Open source · MIT · ★ 26k
Turns OpenAPI, AsyncAPI, or GraphQL specs into a readable, browsable API documentation page.
Best for: Teams that already write OpenAPI or Swagger specs and want public or internal API docs; Developers who want to embed API docs in a React app or a plain HTML page
- 2
Dear ImGui
Open source · MIT · ★ 76.9k
A lightweight C++ library for building immediate-mode graphical user interfaces, mainly for tools and games.
Best for: Game developers who want an in-engine debug or tools panel; C++ developers building internal tools that need a quick interface
- 3
peewee
Open source · MIT · ★ 12k
A small Python ORM for working with PostgreSQL, MySQL, and SQLite databases.
Best for: Python developers who want a lightweight ORM instead of a large framework; Projects using SQLite, PostgreSQL, or MySQL
How we pick: tools in the same category that solve the same problem, projects that name each other as alternatives, and open-source projects that describe themselves as an alternative to FastAPI. We don't take payment for placement.