Winetricks is a package manager for win32 dlls and applications on posix.
Features:
- Consists of a single shell script - no installation required
- Downloads packages automatically from original trusted sources
- Points out and works around known wine bugs automatically
- Both commandline and GUI operation
- Can install many packages in silent (unattended) mode
- Multiplatform; written for Linux, but supports MacOSX and Cygwin, too