Compare the Top Free Performance Testing Software as of April 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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    ZAPTEST

    ZAPTEST

    ZAPTEST Inc.

    ZAPTEST is a leading Free and Enterprise software test automation and RPA tool. Offerings include Computer Vision technology that allows for Cross-Platform digital interface automation for UI, API, Load testing, and RPA in a seamless process. Combine that with our 1SCRIPT methodology, seamless automation, parallel execution, and unlimited licenses– you get an efficient testing suite that generates up to 10X ROI. We promise that if you can perform a procedure via any digital interface (live application or mockup) manually, ZAPTEST can automate this procedure As-Is! With ZAPTEST’s Enterprise Solution subscription program, you receive unlimited licenses across the entire organization. Regardless of whether your automation needs increase, your cost remains fixed. FARM allows ZAPTEST users to manage all of their devices so you can remotely control cross-environments and projects from any location. ZAPTEST uses many practical applications to enhance its software testing software capabilities
  • 2
    Alithya GoTest
    Alithya GoTest is a collaborative test hub that is easy and quick to master and integrate, ensuring the quality of any professional digital solutions for companies requiring reliability without compromises. Ensure the quality of your application without sacrificing speed or agility with an easy-to-use, GUI test automation tool. Whether using scripts or not, our flexibility is unmatched, letting you create manual, automated or hybrid test suites for every desktop, web, and mobile application with ease including .Net, Java, WPF and Windows 10, modern JavaScript frameworks like React and Angular and iOS or Andoid with 2050+ browser and platform configurations. No need to jailbreak your devices. Alithya GoTest comes with a keyword library of over 1500 keywords, so you can ensure your GUI and API tests are scalable, robust, and easy to maintain. Alithya also offers consulting, coaching and training to ensure the success of your teams.
  • 3
    QADeputy

    QADeputy

    QADeputy

    Test Smarter With QADeputy. Efficiently manage your test cases, test suites, test runs, and reporting. Integrate with your favorite automation and bug tracking tools. Automate stakeholder communication. Customize to fit your unique testing needs. Test Cases. Centralize all your test cases under one complete test case management system. Easily import via our CSV/Excel import utility. Feature. Test Suites. Organize your test suites/plans so your entire team has the confidence that they are testing the latest and greatest features. Test Runs. Streamline test runs to allow test engineers to focus on what matters most - testing. Integrations. Use out-of-the-box, easy to configure integrations for automation tools, communication, and bug tracking. Requirements Define your requirements, report on requirements coverage and keep your team in-sync while testing. Customizations. Customize fields, statuses, reusable snippets, configurations, tags, and more to save time while testing
    Starting Price: $18 per user, per month
  • 4
    MockLab

    MockLab

    MockLab

    Craft your simulation using the friendly, no-code UI or go fully automated with the 100% WireMock-compatible API. Simulate stateful behaviour in your mocked API using a simple finite state machine model. Test your app to destruction by injecting delays, dropped connections, drip-drip responses and corrupt HTTP payloads. A MockLab plan's collaborator limit is the total number of individual collaborators + team members that can be added by the owning account so e.g. if your subscription has a collaborator limit of 2, this means that you and 2 colleagues can work on your APIs. Test your app to destruction by injecting delays, dropped connections, drip-drip responses and corrupt HTTP payloads.
    Starting Price: $29 per month
  • 5
    Loadster

    Loadster

    Loadster

    Loadster is a load testing platform for websites, web applications, and APIs. Your site has a breaking point. Loadster can find it before your users do! Create realistic test scripts and play them back with thousands of virtual users to find bottlenecks, improve performance, and prevent crashes. Record load test scripts right in your browser, with the Loadster Recorder extension for Chrome or Firefox. Just step through your site like a real user would while Loadster records every step into a script. After recording, play your script back in real time, and edit it if necessary. It's simple to add custom validation and capture server responses to reuse later in the script. Configure your test scenario with groups of bots in regions of your choosing, running your scripts, ramping the load up and down, to simulate the geographically distributed traffic you see in the real world.
    Starting Price: $299 per month
  • 6
    Eggplant

    Eggplant

    Keysight Technologies

    At Eggplant we empower organizations to create amazing digital experiences. We help businesses to test, monitor and analyze their end-to-end customer experience and continuously improve their business outcomes. Companies worldwide use Eggplant to surpass competitors, boost productivity, and delight customers. How? By dramatically enhancing the quality, responsiveness, and performance of their software applications across different interfaces, platforms, browsers, and devices - including mobile, IoT, and desktop — in agile, DevOps, and innovative application and data environments. As software release cycles accelerate, manual testing can't keep up. AI automatically discovers user journeys, hunts for bugs and performs image-based UI tests from the user POV. Build better software with fast, broad, accurate AI-powered testing. To keep up with DevOps, continuous testing is key, streamlining development and automating the testing process.
  • 7
    PFLB

    PFLB

    PFLB

    PFLB is an AI-powered load testing platform where you can simulate massive traffic to your websites, and applications. It’s easy to use and super helpful for teams that want to ensure their product is ready to scale. Features: Realistic testing with scenario-based traffic simulation. Importing your production load profile with Google Analytics integration. Easy scripting with an intuitive no-code editor. Executing advanced JMeter scenarios at scale. Resolving bottlenecks with AI-powered performance insights. Discovering load testing results with Grafana dashboards. Protocols: HTTP, HTTPS, gRPC, JDBC, JMS, AMQP, MQTT, Kafka.
    Starting Price: $50/month
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