Wine
A little Wine history - WineHQ Era

1997: winehq.com created
1999: Corel hires engineers to improve Wine
1999: Codeweavers funded to improve Wine
2000: Alexandre moves to Codeweavers
2000: Borland hires Codeweavers to improve Wine
2000: Address Space Separation
2001: Lindows hires Codeweavers to improve Wine
2002: Wine switches to LGPL
2002: Codeweavers releases Crossover Office
2002: Wine starts Conformance Test Suite
2003: Disney pays to fix Wine to run Photoshop 7
2005: COM, MSI implemented; DLL separation complete