Barre / ZeroFS

ZeroFS: A log-structured filesystem for S3. ZeroFS serves S3-compatible buckets as POSIX filesystems over NFS and 9P, or as raw block devices over NBD.

willscott / go-nfs

golang NFSv3 server

nfs-ganesha / nfs-ganesha

NFS-Ganesha is an NFSv3,v4,v4.1 fileserver that runs in user mode on most UNIX/Linux systems