Day 1: MikeOS http://mikeos.sourceforge.net http://mikeos.sourceforge.net Day 2: Syllable Desktop http://web.syllable.org/pages/index.html http://web.syllable.

Day 1: MikeOS http://mikeos.sourceforge.net http://mikeos.sourceforge.net Day 2: Syllable Desktop http://web.syllable.org/pages/index.html http://web.syllable.org/pages/index.html Day 3: FreeGEM https://en.wikipedia.org/wiki/FreeGEM https://en.wikipedia.org/wiki/FreeGEM Day 4: ReactOS https://reactos.org/ https://reactos.org/ Day 5: Tower of Hanoi for Forth/OpenFirmware http://www.kernelthread.com/projects/hanoi/html/macprom.html http://www.kernelthread.com/projects/hanoi/html/macprom.html Day 6: MenuetOS http://menuetos.net/ http://menuetos.net/