Compare the Top Free Regression Testing Tools as of April 2025

What are Free Regression Testing Tools?

Regression testing tools are software tools used to detect and fix any functional or technical issues with a program. They are helpful in ensuring that changes to an existing system do not create any unexpected problems. Regression testing tools help find bugs, verify the functionality of a feature, and test for proper integration between components. The primary purpose of regression testing is to ensure that bug fixes work properly, that new features function correctly, and that no new bugs have been introduced with the modification. Regression testing tools can be used for unit tests, end-to-end tests, integration tests, exploratory tests and more. Compare and read user reviews of the best Free Regression Testing tools currently available using the table below. This list is updated regularly.

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    Diffblue Cover
    Diffblue Cover analyzes your existing Java program and writes unit regression tests that reflect the current behavior of the code. The CLI tool works 100% autonomously, configuring itself from your Maven or Gradle environment. By bringing automation to the test-writing process, the CLI tool provides a speed boost for organizations that are working towards achieving DevOps goals like CI/CD. Since it fits into a CI pipeline, the CLI tool protects the whole codebase from regressions by shifting testing left. Diffblue Cover's unit regression tests run fast and verify new code changes immediately, helping users detect undesirable changes in the code’s behavior as early as possible, when they're the quickest, easiest, and cheapest to fix. And tests are automatically maintained, saving teams even more time.
    Starting Price: Free
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