Fedora - No charge for default installation.

Debian - No charge for default installation.

CentOS - No charge for default installation.

FreeBSD - No charge for default installation.

OpenBSD - No charge for default installation.

Ubuntu - No charge for default installation.

Windows Server 2003 Web Edition - $15.00 per month.

Windows Server 2003 Standard Edition - $22.00 per month.

Windows Server 2003 Enterprise Edition - $30.00 per month.

Windows Server 2008 Web Edition - $15.00 per month.

Windows Server 2008 Standard Edition - $22.00 per month.

Windows Server 2008 Enterprise Edition - $30.00 per month.

Windows Server 2008 Datacenter Edition - $60.00 per month.