Mandriva Pulse 2 (Score 1)

Quoting the Pulse 2 website at http://pulse2.mandriva.org/ :

Pulse 2 - Open Source Computer System Management for medium and large organizations.

Pulse 2 helps organizations ranging from dozens to 100 000+ heterogeneous computers to inventory, maintain, update and take full control on their IT assets. It has been designed to handle 100 000+ computers spread on many sites.
It supports heterogeneous platforms such as MS Windows, GNU/Linux (Mandriva, Redhat, Debian, Ubuntu., etc.), Mac OSX, HP-UX, IBM AIX and Solaris systems.