Ipswitch released the WhatsUp Gold Engineer’s Toolkit, available as a free download for a limited time.The toolkit which helps monitor, diagnose and troubleshoot a vast majority of common network engineering tasks including the categories of: Design and planning, Discovery, Diagnostics, DNS verification, Remote control, Configuration and credentials management. The WhatsUp Gold Engineer’s Toolkit features a single installation.

http://www.whatsupgold.com/products/tools/engineers-toolkit/index.aspx