Qemu on OpenSolaris running Solaris 9, OpenBSD, DragonflyBSD, FreeBSD and Linux.
Solaris 9 running in qemu under OpenSolaris.
Minix 3.1.2a running on OpenSolaris #b42 (qemu) with:
- XOrg, twm, xv
- gcc, bison, gawc, flex, nawc, make, autoconf, perl, python, diffutils, bc, etc.
- pdksh, bash 3, zsh
- lynx2, ncftp, openssh, pine, wget, rsync, rcs, cvs, etc.
- dungeon, nethack
- nvi, vim, emacs
(lots more packages go here.. full install ~= 2GB)
QNX 6.2.1 under qemu.
MenuetOS, a rather interesting OS written in pure ASM.