It's not closed source.http://directory.fedora.redhat.com/wiki/Building#Pulling_the_Directory_Server_Source
Specifically, the NTDS source is here: http://cvs.fedora.redhat.com/lxr/dirsec/source/ldapserver/ldap/servers/ntds/ But it uses ApacheDS too, which is here: http://directory.apache.org/ -- Fedora-directory-users mailing list Fedora-directory-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-directory-users
