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by robingustafsson 2032 days ago
Beyond technology stack choices I'd say the biggest differences are that k6 is scriptable in JS whereas Tsung has scripting-like capabilities in XML, and that Tsung supports distributed execution of tests which k6 doesn't support yet (only in our SaaS product). Tsung also supports more protocols than k6 at the moment (eg. AMQP, MQTT, PostgreSQL etc.) but k6 supports HTTP/2 and gRPC which Tsung doesn't so depends on one's needs I suppose.

We have a more comprehensive review of open source load testing tools in our blog (including Tsung): https://k6.io/blog/comparing-best-open-source-load-testing-t...