Grub2Win - Safely dual boot Windows and Linux without touching the Windows MBR.
UniBeast - UniBeast is a tool for Hackintoshes that creates a bootable USB drive from your copy of the Install...
EasyBCD - EasyBCD is NeoSmart Technologies multiple award-winning answer to tweaking Windows bootloader.
myHack - myHack aids in the installation of a retail copy of OS X 10.6 “Snow Leopard”, OS X 10.
EasyUEFI - Manage EFI/UEFI Boot Options & Manage EFI System Partitions & Fix EFI/UEFI Boot Issues
Balena Etcher - Flash OS images to SD cards & USB drives, safely and easily.