Fake is a new browser for Mac OS X that makes web automation simple.

Professional software tool for HTTP testing and debugging

Playwright enables reliable end-to-end testing for modern web apps.

NUnit is a unit-testing framework for all .Net languages.

The world’s first API testing platform that auto-generates unit test cases with dependency mocks from API calls. Using advanced AI, it simplifies test creation, debugging, and evolution, ensuring comprehensive coverage and boosting software quality.

FlaUI enables reliable end‑to‑end UI automation for Windows applications, offering a clean .NET interface over Microsoft’s UI Automation APIs (UIA2/UIA3) to test Win32, WinForms, WPF, and UWP apps.