Apr 3, 2025

Many free testing software tools and frameworks can help you find bugs, errors, and performance issues in your web application. Each tool and framework has its own strengths, such as some that are great for API testing, some for mobile apps, and some that are all-in-one platforms. Below is a list of the best free automation software that you can use to test your application. 1) vStellar Test vStellar Test is a user-friendly framework that makes testing easier for teams of all sizes. It offers low-code options, which means that if you are not a coding expert—you can easily run tests with the help of low-code test cases. Main Solutions: UI, API, Mobile Testing Why Use It? Easy interface, smart suggestions, reusable test cases, cross-browser testing, parallel testing. Free Version Includes: 100 test cases run monthly, with all integrations enabled. 2) Selenium Selenium is one of the oldest and most popular free testing tools. It’s mainly used to test websites and supports different browsers like Chrome and Firefox. You’ll need some coding knowledge, but it’s very flexible. Main Solutions: Web testing Free Version Includes: All features. 3) Postman Postman is perfect for testing APIs (the part of software that connects different systems). It allows you to easily test requests, check responses, and automate tests. It offers great features like collections, scripts, and environment settings, even in its free version. Major Solutions: API testing Free Version Includes: Almost all core features. 4) JMeter Apache JMeter is a free tool for checking how your app performs under heavy use. It allows you to simulate many users at once to see if your site or server can handle the pressure. Main Solutions: Load and performance testing. Why Use It? Open source, powerful features. Free Version Includes: Can be a bit complex for beginners 5) AccelQ ​ACCELQ is an AI-powered, codeless test automation platform designed to streamline the web, API, mobile, and desktop quality assurance process. Since it is a cloud-based solution, it allows teams to develop and execute automated tests without writing code. It also integrates easily with various tools like Jira and Jenkins so it’s perfect for supporting Agile and DevOps methodologies. Main Solutions: Web, Mobile, and API testing. Why Use It? Codelss automation with AI-powered features. Free Version Includes: Offers a 14-day free trial through which you can explore various automation solutions that AccelQ provides. ​ 6) Katalon Platform Katalon offers a free version with many built-in features. It allows you to test websites, mobile apps, desktop apps, and APIs. It’s beginner-friendly and comes with ready-made test templates. Main Solutions: Web, API, and Mobile app testing. Why Use It? Easy to use, record-and-playback feature. Free Version Includes: Basic features enough for small teams. 7) Soap UI Soap UI is mostly used to test APIs, especially SOAP and REST APIs. It’s great if you want to test how your app connects to other systems or services. Main Solutions: API testing. Free Version Includes: Offers strong features for manual testing. 8) Cypress Cypress is a QA tool focused on regression testing of websites and web applications. It runs directly in the browser, making it super fast and accurate. It’s perfect for modern web apps. Main Solutions: Frontend web testing. Why Use It? Fast, real-time results, user-friendly. Free Version Includes: Core testing features. 9) Playwright Playwright is an open-source modern web testing tool developed by Microsoft. It supports testing on multiple browsers and devices, making it a strong option for teams that want wide coverage. Main Solutions: Web and cross-browser testing. Why Use It? Free, supports multiple languages, and has fast execution. Free Version Includes: No cost for core features. 10) Appium Appium is the top choice for testing mobile apps. It supports both Android and iOS and can be used with many programming languages. It’s perfect for checking how your mobile app performs across different devices. Main Solutions: Mobile app testing Why Use It? Free, flexible, cross-platform support Free Version Includes: Setup may need technical knowledge Summary Free testing software tools and frameworks offer strong features to help you build better and more reliable products. If you are new to testing or working on a small team—tools and frameworks like vStellar Test, Postman, and TestProject are great to start with. They are easy to use and powerful enough to handle real-world testing needs.