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.

QA Sphere is an all-in-one test management tool for manual and automated testing. It offers features like test case management, issue tracking, and test planning, helping teams streamline testing processes and ensure software quality.

Monitor network requests and API failures with real-time insights

Automation Test Reporting. OSS, Language & Framework agnostic

Webomates provides cloud-based Testing as a service (TaaS) to leading software companies

Burp or Burp Suite is a set of tools used for penetration testing of web applications. It is developed by a company named Portswigger who make freely available a Web Security Academy which has a range of lessons on penetration testing.