document updated 15 years ago, on Jul 12, 2008
GRUB v1
Project websites, including ALL THAT PUBLISH THEIR OWN PATCHES/ENHANCEMENTS (GNU GRUB v1 is not being maintained due to active development on GRUB v2... however, GRUB v2 has been in alpha stage for a while, so most users use GRUB v1, which means that forks are proliferating):
GRUB v2