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Locust

locustio/locust
Download & install Download and install locally. No server needed.

Write scalable load tests in plain Python 🚗💨

Load testingDeveloper
Locust website screenshot

From the README

Locust is an open source performance/load testing tool for HTTP and other protocols. Its developer-friendly approach lets you define your tests in regular Python code.

Stars
★ 28.2k
Language
Python
License
MIT
Last updated
2026-09-21
Category
Databases & API tools
Section
General