Best Load Testing Tools with a Free Trial

Parasoft helps organizations continuously deliver high-quality software with its AI-powered software testing platform and automated test solutions. Supporting embedded and enterprise markets, Parasoft’s proven technologies reduce the time, effort, and cost of delivering secure, reliable, and compliant software by integrating everything from deep code analysis and unit testing to UI and API testing, plus service virtualization and complete code coverage, into the delivery pipeline. A powerful unified C and C++ test automation solution for static analysis, unit testing and structural code coverage, Parasoft C/C++test helps satisfy compliance with industry functional safety and security requirements for embedded software systems.

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

LoadView by Dotcom-Monitor is a cloud-based load testing platform used by DevOps and performance testing engineers for load testing websites, web applications, and APIs from real browsers. Emulate real traffic from around the world to uncover bottleneck and performance issues and improve the user experience. Leveraging Amazon Web Services (AWS) and Azure Cloud Services, LoadView manages the cloud network so you can focus exclusively on designing and executing your load tests.

Empirix is a global solution provider of service assurance automation that protects brand quality by offering cloud-native, open, and flexible, by design best-in-class test automation and network visibility software. Service providers, enterprises and equipment manufacturers all over the world recognize Empirix as the best – the most thorough and reliable – vendor of IP communications service quality in the market, and they readily accepted Empirix results as a credible standard for resolving inter-vendor problems.

Gatling is a high-performance load testing platform built to help modern teams uncover bottlenecks before they impact users. It enables organizations to simulate massive, real-world traffic so they can validate reliability across web apps, APIs, cloud infrastructure, and even AI workloads. With powerful dashboards and trend analysis, Gatling provides instant visibility into performance issues and long-term patterns. The platform centralizes test creation, execution, and reporting, ensuring teams standardize their approach across all environments. DevOps and engineering teams can embed Gatling directly into CI/CD pipelines to automate performance checks at every stage. Designed for scalability and efficiency, Gatling empowers companies to ship confidently—even during peak traffic events.

Open Architecture for Building and Running Load Tests. Need to quickly load test a home page, a single URL within your site, or even a mobile API endpoint. We allow you to compose simple tests and then scale them to tens of thousands of users within a few minutes. Apache JMeter, Gatling, Selenium, and WebDriver are more than just open source tools we enable in cloud load testing, they are vibrant communities with deep knowledge and products built on what real users need. Open load tests give you the flexibility of writing load tests in languages and utilities you use every day. You can write custom tests in Python, PHP or Node.js. We provide an open, easy, and cheap way for load testing. We achieve this with an open architecture which provides tuning and control to setting up the cloud load agents.

Gatling Studio is a native desktop application designed to convert real browser-based user journeys into clean, executable load tests built on the core Gatling engine (Java/Maven project structure) in minutes. It enables users to record a live browser session (or import an existing HAR file), automatically filter out noise (such as static assets, ads, third-party trackers), refine the user-flow scenario (by domain or request type), and generate production-ready Gatling code that can be version-controlled and extended. The resulting project can be opened in an IDE, committed to source control, customized with injection profiles or parameterization, and executed locally with Gatling Community Edition or scaled via Gatling Enterprise Edition. Gatling Studio is aimed at performance engineers, QA teams, and developers seeking to accelerate test creation while maintaining full “test-as-code” practices.

Continuous performance testing software to automate API and application load testing. Design code-less performance tests for complex applications. Script performance tests <as:code /> within automated pipelines for API testing. Design, maintain and run performance tests as code and analyze results within continuous integration pipelines using pre-packaged plugins for CI/CD tools and the NeoLoad API. Create test scripts quickly for large, complex applications using a graphical user interface and skip the complexity of hand coding new and updated tests. Define SLAs based on built-in monitoring metrics. Put pressure on the app and compare SLAs to server-level statistics to determine performance. Automate pass/fail triggers based on SLAs. Contributes to root cause analysis. Update test scripts faster with automatic test script updates. Update only the part of the test that’s changed and re-use the rest for easy test maintenance.