WinFsp is an open-source project hosted at GitHub. You can access and download its source code from the location below.
WinFsp is available under the GPLv3 license with a special exception for Free/Libre and Open Source Software. A commercial license is also available; please contact Bill Zissimopoulos <billziss at navimatics.com> for more details.
WinFsp includes built-in support for developing file systems on Windows in the C, C++ and .NET languages. The following open source projects provide support for additional languages via WinFsp. Please note that these are external projects and not directly related to WinFsp.