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autocannon vs Locust: catalog facts
autocannon	Locust
Free Free and open source.	Free Free and open source; paid support is available separately from Locust.cloud.
Command line	Windows, macOS, Linux, Command line
Quick to run from the command line against any URL Can also be used programmatically from Node.js	Test scenarios written as ordinary Python code Distributed runs across multiple machines
Tests HTTP/1.1 only Requires Node.js to be installed	Requires writing Python to define tests Documentation is focused mainly on HTTP testing
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.