FREEDOM251

Freedom251 › Developer Tools

Free and open first

Best Automated Testing in 2026

Automated testing tools help run software checks across platforms such as Windows, macOS, Linux, web, API and Android. This list is for people comparing testing options on a budget.

  1. 1

    Cypress

    Free plan Open source APILinuxMac+2

    Cypress combines browser-based application testing with cloud features for recorded CI runs and team workflows. Review the plan limits and public-project data visibility before choosing a Cloud setup.

    9.2 Free plan · paid from $67/mo (annual) · 30-day trial Visit site
  2. 2

    Karate

    Free plan Open source APIExtensionLinux+3

    Karate offers a free framework spanning API, UI, mock, and performance testing, with paid plans for additional IDE and client features.

    9.1 Free plan · paid from $100/user/yr Visit site
  3. 3

    Selenium

    Free plan Open source APIExtensionLinux+4

    Selenium offers browser automation through WebDriver, IDE and Grid, with no listed price. Anyone deploying Grid should account for its default lack of authentication and restrict external access.

    8.7 Free plan Visit site
  4. 4

    SoapUI

    Free plan Open source APILinuxMac+2

    SoapUI Open Source offers API testing, mocking, and command-line automation across major listed protocols.

    8.7 Free plan Visit site
  5. 5

    TestCafe

    Free plan Open source AndroidAPIiPhone+5

    TestCafe combines browser-based end-to-end testing with API testing and a range of automation features.

    8.6 Free plan Visit site
  6. 6

    ACCELQ

    Free plan AndroidAPIiPhone+5

    ACCELQ brings broad test automation and manual test management capabilities into one platform. Its advertised trial offers a way to explore web and mobile cloud device farms before requesting pricing.

    7.7 Free plan · pricing on request Visit site
  7. 7

    Cucumber Open

    Free plan AndroidAPILinux+2

    Cucumber Open pairs readable Gherkin specifications with code-backed test steps and reporting options. Consider the public, short-lived report links when deciding how to share test results.

    7.6 Open source Visit site
  8. 8

    Detox

    Free plan AndroidiPhoneLinux+2

    Detox offers React Native teams a free way to write and run mobile end-to-end tests, with flexible test-runner support.

    7.6 Free plan Visit site
  9. 9

    Espresso

    Free plan AndroidiPhoneLinux+2

    Espresso provides Android-focused UI testing with synchronization, WebView and intent support, plus test-generation and accessibility tools.

    7.5 Open source Visit site
  10. 10

    Appium

    Free plan AndroidAPIiPhone+5

    Appium offers a client-server approach to UI automation with multiple platform drivers and language clients.

    7.4 Open source Visit site
  11. 11

    Katalon Studio

    Free plan AndroidAPIExtension+6

    Choose Katalon Studio if your team wants web, mobile, API and desktop test authoring in a shared project, with recorder and AI-assisted options.

    7.4 30-day trial Visit site
  12. 12

    Leapwork

    Free plan AndroidAPIiPhone+3

    Leapwork combines several forms of test automation with enterprise application validation and flexible deployment options. Teams need to request a custom quote to assess the paid platform.

    7.4 Pricing on request Visit site
  13. 13

    Maestro

    Free plan AndroidiPhoneLinux+3

    Maestro offers local, desktop and hosted ways to author and run mobile and web UI tests. Its Chromium-only web support and per-device Cloud pricing are key limits to weigh.

    7.4 Free plan · paid from $250/mo Visit site
  14. 14

    Galen Framework

    Free plan LinuxMacWindows

    Galen combines specification-based responsive layout checks with visual comparisons and reviewable reports.

    7.3 Free plan Visit site
  15. 15

    Nightwatch

    Free plan AndroidiPhoneLinux+3

    Nightwatch brings browser, service, API, component, and native mobile testing into one Node.js framework.

    7.3 Free plan Visit site
  16. 16

    Playwright

    Free plan LinuxMacSelf-hosted+2

    Playwright combines cross-browser automation, test authoring tools, and support for agent workflows. Teams can run it locally or in CI on Linux, macOS, and Windows.

    7.3 Free plan Visit site
  17. 17

    Puppeteer

    Free plan APIExtensionLinux+4

    Puppeteer provides browser automation and capture tools for JavaScript projects, with Chrome and Firefox support.

    7.2 Open source Visit site
  18. 18

    Functionize

    Free plan Web

    Choose Functionize if you need plain-language test authoring, cross-browser runs, or a connection from an MCP-compatible coding agent.

    7.1 Free plan · paid from $20/mo Visit site
  19. 19

    Robot Framework

    Free plan APILinuxMac+1

    Robot Framework offers a free, extensible foundation for several kinds of testing and robotic process automation. Users can turn to its forum and Slack community for questions and discussion.

    7.1 Free plan Visit site
  20. 20

    Testim

    Free plan AndroidAPIiPhone+2

    Testim combines visual test authoring with web and mobile execution options and diagnostic tools. Check plan limits and support needs, particularly for Community users and remote device testing.

    7.0 Pricing on request Visit site
  21. 21

    TestingBot

    Free plan AndroidAPIExtension+5

    TestingBot combines browser and device testing with framework, CI and API options. Review the included testing time and billing terms, since runs pause after the monthly allowance is reached.

    7.0 From $20/mo (annual) · 14-day trial Visit site
  22. 22

    TestMu AI Web Automation (formerly LambdaTest Web Automation)

    Free plan AndroidAPIiPhone+5

    TestMu AI combines cross-environment execution with test authoring, debugging captures, and a tunnel for private apps.

    7.0 Free plan · paid from $29/mo (annual) Visit site
  23. 23

    WebdriverIO

    Free plan AndroidExtensioniPhone+4

    WebdriverIO spans browser, mobile, component, and desktop automation within a Node.js framework.

    6.9 Free plan Visit site
  24. 24

    REST Assured

    Free plan API

    REST Assured offers a broad set of REST testing and validation modules at no cost under an open-source license.

    6.7 Open source Visit site
  25. 25

    BrowserStack Automate

    by BrowserStack
    Free trial AndroidAPIiPhone+3

    Choose BrowserStack Automate if your team needs automated checks across real desktop and mobile browser environments, with integrations and reporting in a managed grid.

    6.6 From $59/mo (annual) Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

Alongside free plans, paid starting prices, free trials and open-source licences, look at test types, no-code authoring, parallel execution, integrations and monthly test runs.

Questions

Do automated testing tools have free plans?

Yes. Items on this list include free plans, freemium options and open-source tools. Review each tool's plan details before deciding.

Are free trials available?

Yes. Cypress lists a 30-day trial, and Katalon Studio lists a 30-day trial.

Which tools list open-source code?

Appium, Cucumber Open and Espresso identify their code as open source. Review the licence terms before reading or changing code.

What platforms do these tools support?

The list covers tools running on Windows, macOS, Linux, web, API and Android. Confirm platform support for your use case.

What should I compare beyond price?

Look beyond price at test types, no-code authoring, parallel execution, integrations, monthly test runs and supported platforms.

More in Developer Tools