
Description: Arachni is an open source web application security scanner written in Ruby. It can crawl websites to map out all available pages and analyze the pages to detect common web vulnerabilities like SQL injections, XSS, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Nuclei is an open-source security testing framework used to send requests and detect vulnerabilities on websites. It has a powerful templating engine to customize scans and integrate with other tools.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API