CodeWeavers is the principle corporate sponsor of Wine, employing a bunch of developers as well as Alexandre. Approximately 2/3 of patches into Wine are from CodeWeavers staff, either on or off company time. CodeWeavers also helps sponsor the Wine conference as well as providing hosting for the WineHQ web site. While CodeWeavers main commercial interest in Wine is its use in the Crossover product, they take their responsibility for being a good open source citizen very seriously and even encourage enhancements to Wine that compete with Crossover.