
Description: Intruder is a web vulnerability scanner that helps identify security flaws in web applications. It can detect SQL injections, cross-site scripting, and other vulnerabilities. Intruder is designed to automate security testing and make web apps more secure.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Nessus is a vulnerability scanner used to scan networks and systems for security vulnerabilities. It is one of the most popular vulnerability assessment tools.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API