Wine is a free software application which aims to allow Unix-like computer operating systems on the x86 architecture to execute programs written for Microsoft Windows. Wine also provides a software library known as Winelib against which developers can compile Windows applications to help port them to Unix-like systems.
The name 'Wine' derives from the recursive acronym Wine Is Not an Emulator. While the name sometimes appears in the forms "WINE" and "wine", the project developers have agreed to standardize on the form "Wine".
The Wine developers released version 1.0 of Wine, after 15 years of development, on June 17, 2008.