MooseFS is a Fault-tolerant, Highly available, Highly performing, Scaling-out, Network distributed file system. It spreads data over several physical commodity servers, which are visible to the user as one virtual disk. It is POSIX compliant and acts like any other Unix-like file system.

GlusterFS is a scale-out network-attached storage file system. It has found applications including cloud computing, streaming media services, and content delivery networks. GlusterFS was developed originally by Gluster, Inc. and then by Red Hat, Inc., as a result of Red Hat acquiring Gluster in 2011.