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Developer ToolsAlternative to BlazeMeterAlternative to LoadRunnerAlternative to JMeter

Locust

Scalable open source load testing framework written in Python: define user behavior in plain code.

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LicenseApache-2.0
GitHub stars25.5k
Last commit1 weeks ago
Tags5 topics
Developer Friendly LoadLocust FrameworkDeveloper ToolsDistributed Stress TestPython Load Testing
Overview

Why consider Locust?

Locust is an open-source, distributed load testing tool written in Python by Carl Byström and Jonatan Heyman. Locust lets developers define user behavior and scenarios entirely in plain Python code, simulating millions of concurrent users across distributed worker clusters with real-time web UI reporting.

Guided learning

Learn Locust by building

Practical setup notes, real use cases, and copy-ready examples in one focused guide.

1 min read 2 sections
In this guide2 sections

Overview of Locust

Locust models concurrent user actions in pure Python with dynamic test execution web dashboards.

Quickstart

bash
1pip install locust
2locust -f locustfile.py

Locust is licensed under the Apache License Version 2.0.

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Locust FAQs

Locust is listed as a Developer Tools tool on TiloBox. Review the overview, features, and official documentation on this page to decide whether it solves your specific workflow.

Start with the project's GitHub repository and official website for supported installation and deployment instructions. Test the setup with representative data or a small project before rolling it out more widely.

Locust is listed under the Apache-2.0 license. Read the complete license text and the project's notices before using, modifying, or distributing the software.

Production readiness depends on your requirements. Review maintenance activity, security practices, documentation, backup and upgrade procedures, and compatibility with your stack; then validate it in a non-production environment.

Locust is listed as an alternative to BlazeMeter. Compare the core workflow, deployment model, integrations, and licensing against your must-have requirements before switching.