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Apache JMeter vs Plow: catalog facts
Apache JMeter	Plow
Free Free and open source from the Apache Software Foundation.	Free Free and open source under the Apache 2.0 licence.
Windows, macOS, Linux, Command line	Windows, Command line
Tests many protocols, including HTTP, REST, SOAP, FTP and databases Distributed testing across several machines	Real-time metrics in both terminal and browser Uses fasthttp for high request rates
Requires a Java runtime Test plans take time to learn for newcomers	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: Apache-2.0	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 September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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