XOSL

XOSL, the Exteded Operating System Loader, is a graphical boot manager released by Geurt Vos under GPL. XOSL can dual boot over 30 various operating systems on a single disk.

http://www.ranish.com/part/xosl.htm

Also check the yahoo groups XOSL website for all you need in depth manuals, FAQ's, support, and files.

http://groups.yahoo.com/group/xosl/

And if you want the whole website, see http://www2.arnes.si/~fkomar/xosl.org/