So? i did some research
Summary for N5200 has been created a lot modules, some modules I've collected in public FTP's
FIREFLY: Firefly media server for iTunes and Roku Soundbridge
FTPAccess: Limit the FTP access to shared folders
INFO: Show device information
IMGDUP: Duplicates the /img directory tree for write access
JINZORA: Jinzora Media Jukebox
META: Run startup and shutdown scripts
downloadMLdonkey: Multi-Network p2p client
NFSEXPORT: Export all internal filesystems for NFS
PERL: Perl Programming Language
PUREFTPD: Some Enhancements to the pure-ftpd Server
PYTHON: Python Programming Language
RSYNC: Add rsync and rsync daemon support
downloadSERGETTY: Enable login on the serial interface
SLIMSERVER: SlimServer Media Server
SHUTDOWN: Shutdown or reboot when logging in as user shutdown or reboot
SSHD: Add SSH daemon support
downloadSVN: Add Subversion server support
SYSUSER: Add a system user with same privileges as root
downloadTWONKYMEDIA: TwonkyMedia UPnP Media Server
TWONKYMUSIC: Twonkymedia UPnP Music Server
Unfortuanally all other links in web is died. Perhaps someone have other modules