Meteor webbased filesystem handling up and downloads.
Gluster Filesystem and projects around it
PHP5 library that provides a filesystem abstraction layer − will be a feast for your files!
Repositorio del prototipo en diseño de interacción y navegación de filesystem.
leveldb FUSE filesystem
A tag based filesystem
FUSE filesystem for reading Mac OS sparse-bundle disk images
Project for integration ZFS filesystem support into OpenVZ