• Why Reactos? - ReactOS Website
  The ReactOS project is dedicated to making Free Software available to everyone by providing a ground-up implementation of a Microsoft Windows? XP compatible operating system. ReactOS aims to achieve complete binary compatibility with both applications and device drivers meant for NT and XP operating systems, by using a similar architecture and providing a complete and equivalent public interface.
  in Public bookmarks with dedicated everyone free ground-up making project reactos software

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