
Description: MASSCAN is an open source network scanner that can scan the entire Internet in under 6 minutes. It uses asynchronous transmission, allowing it to achieve very high scanning speeds compared to traditional scanners.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ZMap is an open-source network scanner that is designed to perform fast Internet-wide network scans. It can scan the entire public IPv4 address space in under 45 minutes from a single computer.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API