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Trusted
WinFsp is trusted by some of the largest software companies, cloud services companies and major financial institutions in the world.
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Mature
WinFsp is mature software that is in use in millions of installations. It has been deployed at all scales from government to enterprise to individual.
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Stable
WinFsp is stable software. There are no known crashes and it does not suffer from resource leaks or similar problems.
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Semantically correct
WinFsp strives for correct file system semantics and compatibility with the NTFS file system.
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Fast
WinFsp outperforms its competition often by an order of magnitude. In many scenarios it performs as well as NTFS.
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Easy to use
WinFsp has an easy to use but comprehensive API. It provides native Windows, FUSE and Cygwin API’s for C, C++ and .NET out of the box.
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Open Source
WinFsp is open source with all community and transparency benefits that this entails.
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Flexible licensing
WinFsp is available under the GPLv3 license with a special exception for Free/Libre and Open Source Software. A commercial license is also available.