Best Free Load Testing Tools of 2024

ZAPTEST is a leading Free and Enterprise software test automation and RPA tool. Computer Vision technology allows cross-platform digital interface automation for UI and API. This combined with our 1SCRIPT methodology, seamless automation, parallel execution, and unlimited licenses, will result in a testing suite that generates up to 10X ROI. ZAPTEST will automate any procedure you can do via any digital interface (live app or mockup). Discover the unparalleled advantages of partnering with ZAPTEST Our partners are essential in providing businesses with innovative, industry-leading automation solutions that transform software testing and RPA processes. ZAPTEST empowers organizations with a unified automation platform that streamlines both software testing and business operations. Our unlimited licensing model ensures you can scale effortlessly, transforming your business into an agile, efficient powerhouse.

Open Architecture for Building and Running Load Testing. You need to quickly load test your home page, one URL within your site, or a mobile API endpoint. You can quickly create simple tests and scale them to thousands of users in a matter of minutes. Apache JMeter and WebDriver go beyond being open-source tools for cloud load testing. They are vibrant communities with deep knowledge that are built on real user needs. Open load tests allow you to write load tests in the languages and utilities that you use every day. You can create custom tests in Python or PHP. Load testing is easy, cheap, and open to everyone. This is possible thanks to an open architecture that allows tuning and control over the setting up of cloud load agents.

Flood is an easy-to-use load testing platform Open-source load testing tools are available in the cloud and on-premise. We handle test creation and reporting in one environment that is easy to share with your colleagues. Early Stage Load testing is a great way to establish a long-term culture of reliability and performance. Growth Stage As businesses become more complex, so do their systems. Learn how performance testing can be used to gain a competitive advantage and ensure fast delivery. Enterprise Enterprises face performance testing challenges that often conflict with security and compliance. Flood can help you solve this problem in your company.

All-in-one cloud testing platform for performance testing, load testing, website speed testing and website UI testing. Mobile applications and API endpoints are all covered. JMeter testing is easy from multiple cloud locations, with thousands of users. Apache JMeter allows you to see real-time performance metrics of your website and APIs from the cloud. You can monitor changes over time and receive advice on how to speed up page loading times. We run your tests on cloud instances at set times and notify you if anything goes wrong. To find rendering issues, invalid HTML, missing or incorrect CSS, load your web pages and websites in mobile emulators. In seconds, schedule runs and inspect the rendered images on all devices. Simulate your site on different screen sizes and resolutions. Take screenshots of two websites in seconds. To check for differences, you can compare the generated screenshots using a threshold.

The most powerful open-source load testing tool for stress and load testing. When you are working with security regulations, get your dedicated IPs from around the world to simulate user loads for your load testing. Your automated Selenium test scripts can be used for performance testing. Instead of using local data centers, create load from other regions to test for load. Amazing reporting features that display tabular and graphical data allow you to monitor app performance during tests. You can now shift left and integrate performance tests into your DevOps process using your favorite CI tool. APM tools can monitor the app infrastructure. Performance Testing is a type software testing that ensures that the application performs well under the user load. Performance testing is not intended to find bugs, but to identify performance bottlenecks. It assesses the system's quality attributes.

You can have a seamless experience with all types of tests. You can reuse the same test scripts regardless of whether you are testing a web application across thousands browser, OS and device combinations, validating APIs functionality, or running large load tests. Testable offers a cloud-based SaaS platform that is ready for enterprise use. You can run your tests on-prem or in the cloud using your favorite open-source software. We will handle the execution, real-time reporting and storage securely in our cloud. Our testing platform can be securely hosted on your infrastructure behind your firewall. Flexible, modern packaging options, including the Kubernetes Helm package, are available. You can run your functional test on multiple browsers, OS, and device combinations in one test run. A real-time report is available that includes videos and interactive sessions for each virtual user, screenshots and assertions, performance metrics, trend analysis and more.

BlazeMeter's enterprise-ready platform is open-source and enterprise-ready. It combines all the functionality you need for testing to move left and right. You can create new tests, reuse existing scripts, and then run them at scale as part your continuous testing strategy. You can test and generate detailed reports and see historical trends. Spend more time innovating and less time maintaining your toolchain. Continuous testing is crucial to delivering quality, volume, speed, and reliability. However, integrating, maintaining and learning multiple tools is a waste of time and resources. BlazeMeter is an intuitive platform that does everything. BlazeMeter provides complete shift left testing so that you can innovate and impress the market. BlazeMeter has all the components needed for continuous shift left testing. You can use CLIs, APIs and UIs. You can save a lot of time with setup, maintenance and learning.

OctoPerf is a better alternative to Apache JMeter™, which allows you to save up to 50% to 70% on the creation of Thread Groups (aka Virtual Users). Our Cloud load testing infrastructure can support up to 1 million users. We don't use many legacy tools features, but we do focus on the most important, and refine OctoPerf to give you the best user experience. Octoperf is also known for its intuitive documentation, video tutorials and live chat. You can quickly run load tests like a pro with all the information you need. You can export from OctoPerf files to JMeter JMX. There is no vendor lock-in. To quickly create virtual users, you can use auto-correlations frameworks and rules as well as test validation. In a matter of minutes, you can start load testing agents around the world. Create custom visualisations, compare results over the time, and create report templates.

Loadster is a load test platform for websites, web apps, and APIs. Loadster can identify a site's breaking point before you users. To find bottlenecks, improve performance, or prevent crashes, create realistic test scripts.

Eggplant empowers organizations to create incredible digital experiences. We help businesses monitor, analyze and improve their customer experience. Eggplant is used by companies around the world to outperform their competitors, increase productivity, and delight customers. How does Eggplant work? How? By dramatically improving the quality, responsiveness and performance of their software apps across different interfaces and platforms, browsers and devices -- including mobile, IoT and desktop -- in agile, DevOps and innovative application and data environments.

You can design, debug, test, and maintain APIs like a human. Not a robot. Finally, a workflow that you will love. The Collaborative API Design tool for designing, testing, and managing OpenAPI specifications. The Desktop API client for REST or GraphQL. You can inspect the responses and make requests. Create and group requests quickly, specify environment variables, authentication, and generate code snippets. All details about the responses are available. View the entire request timeline, status codes and body. You can also view headers, cookies, headers, and more. You can easily import and export data by creating workspaces, folders and environments. All of your OpenAPI specifications can be edited, lint-ed, debugged, viewed, and managed in one collaborative API design editor. Generate configuration for common API gateways like the Kong API Gateway and Kong for Kubernetes. You can sync your API designs with source control like Github / Gitlab and deploy directly to API Gateways like Kong with just one click.

Loader.io offers a free load testing service that allows users to stress-test their web-apps and apis with thousands concurrent connections. Register your app using the API or web-interface to test it. For the duration, we'll simulate connections to you application. You can monitor the test in real time and share the results with your colleagues.

LoadForge uses cloud computing to quickly scale large numbers simulated users to load-test your website, store or API for low prices starting at $29 per month The web load testing experts can help you with authentication, forms, high-scale, JSON POSTs and GraphQL. LoadForge can load-test any website, web app or API. This includes everything from preparing for a launch, DoS hardening, automated loading of new features, and SQL load tests. LoadForge can help you understand the performance of your app and identify where it is failing. LoadForge AI diagnoses performance problems for you! It's affordable and unlimited. There are no restrictions on the number of tests you can run. You can run as many tests as necessary and have multiple applications and tests available to you at all times. It's powerful and simple. Web load testing is simple, automated, customizable, scalable, and easy. We can help you with everything from your first test with 100 users to complex tests that have millions of users.

PFLB specializes exclusively in performance testing. We help companies identify and resolve performance bottlenecks, such as slow database queries or API calls that are not performing well. We are the company of choice for clients who need performance testing across a wide range of technologies, such as web and mobile applications and core banking systems. We offer a wide range of solutions for JMeter, LoadRunner and other environments. PFLB is a load testing platform that allows companies to perform efficient and scalable performance test. PFLB is a global leader in performance testing with over 15 years' experience.

Cavisson NetStorm is a cost-effective, performance-enhancing and easy-to-use solution for enterprise applications. It is a powerful load generator that accurately estimates Client Perceived Respond Time (CPRT). This allows IT companies to guarantee their Service Level Agreements (SLA). Its advanced technology efficiently manages load variables, user realist, application realism, and network realism. NetStorm has been proven to solve root causes of problems where legacy solutions failed. This led to several Fortune 100 companies switching to NetStorm. Massive load generation allows for an accurate assessment of client response time. Manage load variables, user, app, and network realism. Two opposite trends are emerging as the web matures. Web business providers want to increase their bottom line, while Web users are becoming more forgiving. NetStorm allows companies to spend their IT budget more efficiently.

HeavyLoad, a freeware stress testing tool, was created to push your computer to the limits. It can be installed on any version of Windows or client/server versions (32-bit or 64-bit) that Microsoft supports. HeavyLoad places your server or workstation under a lot of load to ensure that they run reliably. You can also install HeavyLoad on a portable device, e.g. You can save HeavyLoad to a USB stick and use it for benchmarking. Our computer performance test will help you determine if your most important systems can withstand high loads. Our benchmarking software does not require any technical knowledge, thanks to its intuitive user interface and visual feedback.

Looxy.io is the best place to go for software testing. Software testing at looxy.io is adding many new tests such as Load testing and penetration testing, Web application security testing, and more. All tests are free and easy to set up. You may need a subscription to access the advanced test settings or schedule them more often.

Apache JMeter™, an open-source Java application, is designed to load test functional behavior as well as measure performance. It was originally developed to test Web Applications, but has been extended to include other test functions. Apache JMeter can be used to test the performance of Web dynamic applications and static resources. It can simulate heavy loads on a server, group or object, and analyze its performance under different load types.