
Description: HardenedBSD is a security-enhanced fork of FreeBSD. It includes additional exploit mitigations like Address Space Layout Randomization and Control Flow Guard, and improves the security of existing mitigations. It's designed for hostile environments like servers and firewalls, and follows FreeBSD's stability and software support.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: DietPi is a lightweight Debian-based Linux distribution optimized for single-board computers like Raspberry Pi. It has a small resource footprint so it can run well on low-powered devices.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API