Postman - The Collaboration Platform for API Development
Lynis - Security auditing tool for systems running Linux, macOS, BSD, and other UNIX-based systems.
Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.
Silverback - Silverback 3
TestComplete - TestComplete Desktop, Web, and Mobile helps you create repeatable and accurate automated tests across multiple devices, platforms, and environments easily and quickly.
Chkrootkit - Chkrootkit is a Linux tool to locally check for signs of a rootkit. It contains: