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