Great Server with Open Source File Sharing + DHCP + DNS Management + Samba 4 + Manage Users & Groups

I found one Server with following Great Tools & its opensource (with Ubuntu), its owsome ... 

Open Source
File Sharing
Manage Users & Groups
Auto Drive Mapping
DHCP/DNS Management
Samba 4 Domain Controlle

http://www.resara.org/

Guys Its such Great Server.. Must install once....