
Description: GRUB (GNU GRand Unified Bootloader) is an open source boot loader used to boot operating systems during start up. It presents users with a boot menu allowing them to choose between multiple operating systems installed on a computer.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: rEFInd is an open source boot manager for computers that use the Extensible Firmware Interface (EFI). It automatically detects operating systems and allows the user to select which one to boot from a graphical menu.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API