Wine 1.0 rc1

Wine - Free implementation of Windows on Unix.

Wine is an implementation of the Windows Win32 and Win16 APIs on top of X and Unix. Think of Wine as a Windows compatibility layer. Wine provides both a development toolkit (Winelib) for porting Windows sources to Unix and a program loader, allowing many unmodified Windows 3.x/95/98/ME/NT/W2K/XP binaries to run under Intel Unixes. Wine works on most popular Intel Unixes, including Linux, FreeBSD, and Solaris.

Wine does not require Microsoft Windows, as it is a completely alternative implementation consisting of 100% Microsoft-free code, but it can optionally use native system DLLs if they are available. Wine comes with complete sources, documentation and examples and is freely redistributable.