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autocannon vs Plow: catalog facts
autocannon	Plow
Free Free and open source.	Free Free and open source under the Apache 2.0 licence.
Command line	Windows, Command line
Quick to run from the command line against any URL Can also be used programmatically from Node.js	Real-time metrics in both terminal and browser Uses fasthttp for high request rates
Tests HTTP/1.1 only Requires Node.js to be installed	Tests HTTP endpoints only Should only be pointed at servers you are allowed to load test
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: Apache-2.0
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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