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autocannon vs wrk: catalog facts
autocannon	wrk
Free Free and open source.	Free Free to use under the project’s modified Apache license.
Command line	Command line
Quick to run from the command line against any URL Can also be used programmatically from Node.js	Generates substantial load from a single multicore CPU Supports custom LuaJIT scripts
Tests HTTP/1.1 only Requires Node.js to be installed	Requires command-line use High connection counts require enough available ephemeral ports
Downloadable app	Downloadable app
Open source	Not stated if open source
License: MIT	License: Modified Apache 2.0 License, Version 2.0.1
No account needed	Not stated if an account is 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 8, 2026

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