Quart

Judgement

What it is

Framework or platform

What it does

An async Python web framework with the Flask API on ASGI, serving HTML templates, JSON APIs, WebSockets and streamed responses.

Adopt it when

You know Flask and need async handlers or WebSockets without switching to FastAPI or Starlette.

Watch out

Its user base is smaller than Flask or FastAPI, and not every Flask extension works with it.

Ready for

Production-ready

Runs as

Library

Built with

Python, ASGI and Jinja

How established

Established: started 9 years ago, latest release 0.23.1.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-06 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Quart → CPython → GCC → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

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