Display your current IP address (and other information) in the menu bar and notify you of changes.
Compute IPv4 subnet masks and subnet address ranges.
Monitor remote URLs or local files.
Connect to Wi-Fi at commercial free hotspots and Boingo hotspots automatically.
Shut down, start up, and perform PC functions over network.
P2P/SSL/TLS IP VPN, secure virtual LAN. Do anything over net just like in a LAN.