Libreboot - Libreboot is a distribution of ...
GRUB - Multiboot boot loader
PLoP Boot Manager - The PLoP Boot Manager is a small program to boot different operating systems.
Boot Repair Disk - A simple tool to recover access to your Operating Systems. * Easy-to-use (repair in 1 click ! )
Bootice - Download Bootice - Edit your computer's MBR and PBR settings with various built-in tools such as a partition manager, UEFI editor, BCD configurator, and more
BootIt Bare Metal - BootIt Bare Metal is a boot manager and partition manager software utility.