All links of A-UX

GnuWin32GnuWin32
MinGW: Minimalist GNU for WindowsMinGW: Minimalist GNU for Windows
MKS Unix-Windows Co-Existence ProductsMKS Unix-Windows Co-Existence Products
Hamilton C ShellHamilton C Shell
CygwinCygwin
PW32 the POSIX-over-Win32 layerPW32 the POSIX-over-Win32 layer
DJGPPDJGPP
Porting Unix to Windows NTPorting Unix to Windows NT
UnxUtilsUnxUtils
GowGow
Unix for WINdowsUnix for WINdows

A-UX related site: