Tornado

Tornado

Tornado – A high‑performance Python web framework and async library

Tornado is a Python web framework and asynchronous networking library built for non‑blocking I/O, enabling thousands of concurrent connections for real‑time web services.

Official Website

Category

Backend

First Release

2009

License

BSD‑3‑Clause

Maintained By

FriendFeed (later open‑sourced)

Latest News

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Difficulty

Intermediate 2/3

Tornado is straightforward for basic request‑handler patterns, but its async‑first design, event loop model, and non‑blocking semantics add a moderate learning curve.