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wrk vs Apache JMeter: catalog facts
wrk	Apache JMeter
Free Free to use under the project’s modified Apache license.	Free Free and open source from the Apache Software Foundation.
Command line	Windows, macOS, Linux, Command line
Generates substantial load from a single multicore CPU Supports custom LuaJIT scripts	Tests many protocols, including HTTP, REST, SOAP, FTP and databases Distributed testing across several machines
Requires command-line use High connection counts require enough available ephemeral ports	Requires a Java runtime Test plans take time to learn for newcomers
Downloadable app	Downloadable app
Not stated if open source	Open source
License: Modified Apache 2.0 License, Version 2.0.1	License: Apache-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 23, 2026

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