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Tsung vs Apache JMeter: catalog facts
Tsung	Apache JMeter
Best for: Developers testing the capacity of network services	Best for: Developers and testers load testing web applications and APIs on their own machines
Free Free and open source under the GPL-2.0 license.	Free Free and open source from the Apache Software Foundation.
Linux, Command line	Windows, macOS, Linux, Command line
Distributed load testing Supports HTTP and several database and messaging protocols All 3 strengths for Tsung Distributed load testing Supports HTTP and several database and messaging protocols Includes a user manual and examples	Tests many protocols, including HTTP, REST, SOAP, FTP and databases Distributed testing across several machines All 4 strengths for Apache JMeter Tests many protocols, including HTTP, REST, SOAP, FTP and databases Distributed testing across several machines Can record tests instead of writing them by hand Extensible with custom components
Requires Erlang	Requires a Java runtime Test plans take time to learn for newcomers
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: Apache-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for Tsung github.com/processone/tsung Catalog checked October 8, 2026	Official website Full listing and sources Sources for Apache JMeter jmeter.apache.org Catalog checked September 23, 2026

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