The producer of Wine, an open-source, reverse-engineered set of libraries designed for running Windows applications on Unix-based systems, is raising suspicion over whether virtualization company SWsoft, which makes Parallels, is failing to uphold the terms of its open source license by not releasing the source code it already admits to having modified.
Just one month ago, SWsoft released the latest edition of its Parallels virtualization environment for Mac OS X, enabling users to install Windows or Linux and their applications, and to have those applications appear to run seamlessly on the Mac desktop. As some Parallels users discovered almost by accident -- by way of responses to their bug reports -- certain key elements of Parallels related to OpenGL and DirectX graphics transformations are handled by modified portions of the Wine open source library.
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