
Description: A free port scanner is a software tool that allows you to scan open ports on your local network or a remote host. It can help identify security vulnerabilities, check for open backdoors, test firewall rules, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: CloseTheDoor is a software that helps you remember to close doors and windows around your home. It connects to sensors on doors and windows and can send you notifications when they are left open.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API