Goose

At a glance

• Editor score
  6.4 / 10
• Pricing
  Open source
• Best for
  Rust developers building custom load tests
• Paid from
  Free
• Load testing
  Yes
• Founded
  2007 · St. Petersburg, Florida, United States
• Facts checked
  21 Sep 2026

• Where it wins

  • Custom Rust applications support detailed, realistic user workflows
  • Controls cover ramps, spikes, hatch rates, and test duration
  • Exports HTML, Markdown, JSON, logs, and response-time metrics

• Where it doesn't

  • Requires Rust development for custom test applications
  • Self-hosted deployment places setup and operation on your team
  • Current releases do not provide distributed load execution

Our verdict on Goose

Goose is an open-source performance testing framework written in Rust for developers and engineering teams testing web applications, APIs, and services. It generates HTTP and HTTPS workloads through an HTTP client, while simulated users follow workflows defined in Rust code. This makes Goose a strong fit for teams that want programmable load tests rather than a primarily visual test builder, especially when API behavior and application-specific user journeys need to be represented in code.

Its main strength is the depth of workload control. Test plans can combine concurrent-user targets, hatch rates, startup times, run times, ramps, ramp-downs, and load spikes. Goose also supports asynchronous simulated users, request and transaction logging, scenario and error reporting, debug output, HTTP response validation, and response-text checks. Coordinated-omission mitigation and response-time metrics add useful measurement detail for performance investigations. Telnet and WebSocket runtime controllers provide additional ways to manage active tests, while HTML, Markdown, JSON, and other report outputs support different reporting workflows.

The trade-off is a focused, self-hosted approach. Building a dedicated test application requires Rust development, and the deployment model suits teams comfortable managing their own testing environment. Goose supports load testing, stress testing, and API testing, but current releases do not provide distributed load execution; previously provided Gaggle execution was removed from Goose 0.17.0. Choose Goose if customizable Rust applications, complex workload behavior, validation, and report control matter most. Consider an alternative if your priority is distributed execution or a broader integration ecosystem rather than code-level flexibility.

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Goose pricing

Goose fact sheet

Alternatives to Goose

• Grafana k6A scriptable performance testing tool with local, distributed, browser, and hosted execution.9.3
• OCOpenText Core Performance EngineeringA broad hybrid performance-testing suite for enterprise web, API, and mobile workloads.9.2
• Apache JMeterA free, established choice for protocol-level load, stress, API, and distributed testing.9.1

See all Goose alternatives →

Featured on iTechGuides

Goose is listed in our Performance Testing Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update