GVfs is a userspace virtual filesystem implementation for GIO (a library
available in GLib). GVfs comes with a set of backends, including trash
support, SFTP, SMB, HTTP, DAV, and many others. GVfs also contains modules
for GIO that implement volume monitors and persistent metadata storage.
There is also FUSE support that provides limited access to the GVfs
filesystems for applications not using GIO.