Best Regression Testing Tools for Linux of 2025

Sahi Pro is a suite automation tools for web, Web-services, Windows desktop and Java applications. Sahi Pro features include automatic waits, recorders and accessor spy, inbuilt frame and editor, parallel playback, automatic reporting, automatic logging, and reporting. Also, Sahi Pro can save 70% of the time and effort that is normally spent on test automation. Sahi Pro has been trusted by more than 400 companies around the world and is quickly becoming the preferred tool for test automation in the agile world.

Testsigma is a low-code end-to-end test automation platform for Agile teams. It lets SDETs, manual testers, SMEs, and QAs collaboratively plan, develop, execute, analyze, debug, and report on their automated testing for websites, native Android and iOS apps, and APIs. It is available as a fully managed, cloud-based solution as well as a self-hosted instance that is open source (Testsigma Community Edition). The platform is built with Java, but the automated tests are code-agnostic. Through built-in NLP Grammar, teams can automate user actions in simple English, or generate airtight test scripts with the Test Recorder. With features like built-in visual testing, parametrized or data-driven testing, 2FA testing, and an AI that automatically fixes unstable elements and test steps, identifies and isolates regression-affected scripts, and provides suggestions to help you find and fix test failures, Testsigma can replace tens of different tools in the QA toolchain to enable teams to test easily, continuously, and collaboratively.

Cerberus Testing automates continuous testing at scale with low-code software. The solution will eliminate the need to implement an internal testing framework for years. The product allows you to iterate quickly through your testing lifecycle: from test repository, execution, and reporting. The solution allows teams to collaborate from the use-cases creation to the execution of test cases on a variety of browsers and devices. To execute your test at scale, you can use your own or external robots infrastructure. This allows you to concentrate on your business value. It supports many integrations to speed up implementation, such as Bitbucket and Slack. It is open-source and maintained by many digital and retail players, including La Redoute and Decathlon, Adeo and Norauto.

Notable Features User-friendly Interface: An intuitive design that makes the platform accessible to users of all skill levels. Performance Monitoring: Keep track of system performance with built-in monitoring tools. Security and Compliance: Ensure data protection and meet industry compliance standards. CI/CD Integration: Seamlessly integrate with continuous integration and deployment pipelines.

MarathonITE simplifies the process of developing GUI tests by allowing users to swiftly automate both functional and regression testing. Its architecture is open and adaptable, drawing on established open-source technologies such as Marathon, Ruby, and Selenium, which fosters ease in creating, maintaining, and executing automated test scripts. The tool offers substantial return on investment for testing teams, making it a valuable asset in the testing landscape. Among its notable features are intelligent recording and playback, a customizable object map, and bindings for Selenium/WebDriver tailored for Java™ applications. Specifically designed for automating tests of applications built with Java/Swing™, Java/Fx™, and web technologies, MarathonITE enhances the testing experience by providing robust API interactions through its Selenium/WebDriver bindings for Java runtime. Effective test automation merges the realms of software testing with development practices, underscoring the importance of both disciplines in achieving high-quality software. Consequently, MarathonITE stands out as a comprehensive solution for organizations looking to streamline their testing processes.

Diffblue Cover analyzes Java programs and creates unit regression tests that accurately reflect the current behavior. The CLI tool is 100% self-configuring and can be used in your Gradle or Maven environment. The CLI tool automates the test-writing process and provides a speed boost to organizations working towards achieving DevOps goals such as CI/CD. The CLI tool fits in a CI pipeline and protects the entire codebase from regressions by shifting testing to the left. Diffblue Cover's unit tests for regression are fast and verify any code changes immediately. This allows users to detect unwanted changes in code behavior as soon as possible. Teams can save even more time by having tests automatically maintained.

Test Mace is a robust and contemporary cross-platform solution designed for API interaction and the creation of automated API tests. It allows users to formulate requests and scenarios while utilizing features such as variables, authentication, an autocomplete function, and syntax highlighting. The tool provides a user-friendly interface that simplifies the development of intricate scenarios. With a single click, users can execute comprehensive regression tests. Additionally, results from requests can be stored in variables for access from various nodes. Users can also retain authorization tokens, response headers, or specific segments of response bodies, enhancing their testing capabilities. Scenarios can be executed across different environmental contexts, which aids in the management of development, staging, and production environments. The built-in authentication methods cater to the most widely-used authentication types, streamlining the process for users. Furthermore, the quick share feature enables effortless sharing of requests with team members; users simply need to click a button to copy the URL of a specific node, allowing them to easily distribute it to their colleagues. This seamless collaboration is essential for effective teamwork and enhances productivity during API testing.

Enhance your SpiraTest setup by incorporating support for automated regression testing. With our RemoteLaunch application, you can seamlessly connect to various automated testing tools, enabling SpiraTest to manage both manual and automated testing activities from a single platform. Automated test scripts serve as an essential tool for conducting regression testing on applications, ensuring that the introduction of new features or bug fixes does not disrupt existing functionality. While manual testing is generally more effective for evaluating new features and capabilities, automated tests provide a necessary supplement. To achieve comprehensive test coverage, it's crucial to execute the same automated tests across a wide range of platforms, browsers, devices, and environments. By utilizing RemoteLaunch® alongside SpiraTest® or SpiraTeam®, you gain the ability to oversee the automated testing process efficiently and maintain a comprehensive overview of both manual and automated testing efforts. This integrated approach not only enhances the quality of your software but also streamlines the overall testing process, making it more manageable and effective.

Serenity BDD enables the rapid creation of cleaner and more sustainable automated acceptance and regression tests, enhancing efficiency. In addition to executing tests, it generates comprehensive illustrated reports that detail the functionality and operations of your application. This tool provides insights not only into the tests performed but also highlights the specific requirements that have been validated. One significant benefit of adopting Serenity BDD is the elimination of the need to dedicate resources to develop and uphold a custom automation framework. The primary goal of Serenity is to facilitate the straightforward writing of well-organized and maintainable automated acceptance criteria, utilizing either your preferred BDD framework or standard testing libraries. You have the flexibility to employ Behaviour-Driven-Development tools such as Cucumber or JBehave, or to simply work with JUnit. Furthermore, you can seamlessly connect with requirement repositories stored externally, like JIRA or any other test management system, or opt for a straightforward directory-based method to manage your requirements effectively. This versatility makes Serenity BDD an attractive option for teams looking to streamline their testing processes.

The JCov open-source initiative is designed to collect quality metrics related to the development of test suites. By making JCov accessible, the project aims to enhance the verification of regression test executions within OpenJDK development. The primary goal of JCov is to ensure transparency regarding test coverage metrics. Promoting a standard coverage tool like JCov benefits OpenJDK developers by providing a code coverage solution that evolves in harmony with advancements in the Java language and VM. JCov is entirely implemented in Java and serves as a tool to assess and analyze dynamic code coverage for Java applications. It offers features that measure method, linear block, and branch coverage, while also identifying execution paths that remain uncovered. Additionally, JCov can annotate the program's source code with coverage data. From a testing standpoint, JCov is particularly valuable for identifying execution paths and understanding how different pieces of code are exercised during testing. This detailed insight helps developers enhance their testing strategies and improve overall code quality.

Watir is an open-source Ruby library designed for automating web tests, allowing interaction with browsers in a human-like manner by performing actions such as clicking links, filling out forms, and verifying text content. It operates on Ruby version 2.6 or higher and requires the recently released Selenium 4.0. Since the launch of Watir 6.0 nearly five years ago, which significantly redefined its automation strategy in relation to Selenium, Watir has evolved considerably. The 6.0 version aimed to merge Watir's foundational principles with Selenium's robust capabilities. In contrast, Watir 7 represents a more refined and efficient execution of this original vision. Developers creating gems compatible with Watir can utilize WatirSpec to ensure their code does not disrupt the functionality of existing Watir components. The testing process for Watir code occurs on Linux systems, incorporating the latest browser versions and all active Ruby releases. Additionally, the code undergoes scrutiny through Coveralls to promote pull requests and ensure comprehensive test coverage across all code paths, thereby enhancing overall reliability. This commitment to testing and stability reflects the community's dedication to maintaining Watir as a valuable tool for developers.

IBM Rational Functional Tester is a tool designed for automating functional and regression testing processes. This software enhances testing efficiency by providing automated capabilities for a variety of testing types, including functional, regression, graphical user interface, and data-driven testing. It is compatible with numerous application types, such as web applications, .Net, Java, Siebel, SAP, terminal emulators, and PowerBuilder. The tool makes test visualization and editing easier by utilizing natural language alongside rendered screenshots. With its innovative ScriptAssure technology, it allows testers to create automated tests that remain effective despite frequent changes to the application’s user interface. Additionally, it features a user action recorder that comes with various customization options and intelligent script maintenance tools. The software also facilitates collaboration among team members by supporting the sharing of functional tests and enables execution in hybrid environments through integrations with the Rational Test Automation Server. Overall, IBM Rational Functional Tester streamlines the testing process and enhances productivity for development teams.

TimeShiftX allows you to time travel software into the past or future for temporal testing. It also supports time sensitive functionality such as billing, rates, policies and daylight savings time. Time travel testing can be done without editing code or changing system clocks.

TESSY streamlines the entire unit testing process, encompassing regression testing for embedded software developed in C/C++ across various target systems. This user-friendly testing tool is not only easy to install and operate, but it also effectively navigates you through the entire unit test procedure, starting from project initiation and extending through test design, execution, and result analysis to comprehensive reporting. Furthermore, TESSY meticulously handles all aspects of test organization and management, which includes managing requirements, measuring coverage, and ensuring traceability. Its project management capabilities enable users to create a tailored test project structure utilizing collections and folders, set environment variables, and configure preferred compilers or debuggers using the integrated Test Environment Editor. Additionally, coverage outcomes are immediately visible within the project structure, and test results from each run are archived, facilitating the retention of previous successful outcomes for future reporting. This ensures a streamlined approach to managing test cycles while enhancing efficiency and accuracy in embedded software testing.