From Gentoo Wiki
From the obscure to the obscene, we'll cover some of the common bootloaders out there and how to get your feet wet with them.
- Das U-Boot
- The Universal Bootloader which supports every embedded architecture out there.
- Simple bootloader on NetWinders.
- Small bootloader based on eCos which supports every embedded architecture out there.
- Port of LILO to SuperH which tends to be pretty common on that architecture.
- Bootloader — a program that will load bootable items when the system is started.