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wrk vs Goku: catalog facts
wrk	Goku
Free Free to use under the project’s modified Apache license.	Free The command-line tool is free and open source under the MIT license.
Command line	Windows, macOS, Linux, Command line
Generates substantial load from a single multicore CPU Supports custom LuaJIT scripts	Supports rate limits and multi-step scenarios Reports response-time metrics in several output formats
Requires command-line use High connection counts require enough available ephemeral ports	Publishing run history to Observability Insight requires an account
Downloadable app	Downloadable app
Not stated if open source	Open source
License: Modified Apache 2.0 License, Version 2.0.1	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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