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Fortio vs Apache JMeter: catalog facts
Fortio	Apache JMeter
Free Free to use, with the source code published on GitHub.	Free Free and open source from the Apache Software Foundation.
Web, Self-hosted, Command line	Windows, macOS, Linux, Command line
Fixed queries-per-second load for repeatable tests Latency histograms and detailed statistics	Tests many protocols, including HTTP, REST, SOAP, FTP and databases Distributed testing across several machines
Aimed at developers and operators rather than casual users Measures servers under load, not page rendering speed	Requires a Java runtime Test plans take time to learn for newcomers
Downloadable app, Self-hosted	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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