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Tsung vs Gatling: catalog facts
Tsung	Gatling
Best for: Developers testing the capacity of network services	Best for: Developers and performance engineers load testing web apps and APIs
Free Free and open source under the GPL-2.0 license.	Free + paid options The Community Edition is free and open source; Enterprise Edition is a paid hosted service with a free… Full pricing details for Gatling The Community Edition is free and open source; Enterprise Edition is a paid hosted service with a free trial.
Linux, Command line	Web, 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	Open-source Community Edition you can run on your own machines Load tests are written as code and can be kept in version control All 3 strengths for Gatling Open-source Community Edition you can run on your own machines Load tests are written as code and can be kept in version control Enterprise edition adds CI/CD automation and result analysis
Requires Erlang	Writing tests as code assumes programming experience Advanced analysis and tracing are only in the paid Enterprise Edition
Downloadable app	Downloadable app, Hosted service
Open source	Open source
License: GPL-2.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
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 Gatling gatling.io Catalog checked September 24, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.