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Apache JMeter vs wrk: catalog facts
Apache JMeter	wrk
Free Free and open source from the Apache Software Foundation.	Free Free to use under the project’s modified Apache license.
Windows, macOS, Linux, Command line	Command line
Tests many protocols, including HTTP, REST, SOAP, FTP and databases Distributed testing across several machines	Generates substantial load from a single multicore CPU Supports custom LuaJIT scripts
Requires a Java runtime Test plans take time to learn for newcomers	Requires command-line use High connection counts require enough available ephemeral ports
Downloadable app	Downloadable app
Open source	Not stated if open source
License: Apache-2.0	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 September 23, 2026	Official website Full listing and sources Checked October 8, 2026

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