`Memfs-fuse3` is an in-memory FUSE3 file system. It can be built with the following tools: - Using Visual Studio (`memfs-fuse3.sln`). - Using Cygwin GCC and linking directly with the WinFsp DLL (`make winfsp-fuse3`). - Using Cygwin GCC and linking to CYGFUSE3 (`make cygfuse3`).