Compare the Top Free Performance Testing Software as of June 2025

What is Free Performance Testing Software?

Performance testing software is software designed to evaluate the speed, responsiveness, and stability of applications under various conditions. It simulates multiple users or workloads to assess how well the software performs under stress, heavy usage, or high traffic. This type of software helps identify bottlenecks, resource limitations, and areas for optimization before the application is released to end-users. It provides detailed reports on metrics such as load times, throughput, and error rates to guide developers in improving application performance. By using performance testing software, businesses can ensure their applications deliver a smooth and reliable experience even during peak usage. Compare and read user reviews of the best Free Performance Testing software currently available using the table below. This list is updated regularly.

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    Zebrunner

    Zebrunner

    Zebrunner Inc.

    Zebrunner is an AI-powered platform that unifies manual & automated testing, empowering QA teams to collaborate effortlessly. By leveraging AI, Zebrunner Testing Platform optimizes and speeds up the entire testing process, from generating & autocompleting test cases to prioritizing failures and providing real-time insights. Zebrunner Test Case Management offers a complete solution for managing manual test cases. With features like split-screen navigation, drag-and-drop editing, and customizable layouts, it simplifies test organization. Testers gain real-time insights, quickly addressing blockers or failures. Customizable fields and filters ensure testing aligns with specific project needs. Zebrunner Automation Reporting provides advanced reporting & analysis for automated testing. Teams can monitor progress, analyze failures, and access logs and videos. By visualizing trends and metrics, Zebrunner helps teams identify areas for improvement and optimize their testing processes.
    Starting Price: $0
  • 2
    Loadsy

    Loadsy

    Loadsy

    Run Performance Tests for Digital Products/Services in Minutes Avoid Steep Learning Curve… Design, Run, Save and Automate your Tests with JavaScript Code. • Design threads as complex as you need, simulate diverse and real scenarios simultaneously for your tests with JavaScript code. • Create and run any kind of performance tests with just one tool. • Tests for any platform no matter where it’s hosted, in the cloud, or an on-premise server. • Test continuously with CI/CD integrated tools, automate performance tests. • Get data in real-time, catch and solve blind spots before a user does. • Get a realistic simulation with virtual browsers and simulate hundreds of thousands of users.
    Starting Price: $0.05/hour/user
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