Cisco Snmp Tool is a Freeware Cisco Configuration Management Application.
After Version2.0 Beta there is a map interface which supports visual design of your network. Program can be used at LAN and WAN networks. But never forget to increase timeout and retry values at WAN networks. Typically 2000ms timeout and 2 retry values are enough for both LAN and WAN applicaitons.
Cisco CDP Monitor is an efficient network diagnostic and troubleshhoting tool. It is very useful for network administrator and network engineer. Cisco CDP Monitor is a CDP agent for windows host. It is able to use the CDP(Cisco Discovery Protocol) which is a private protocol and is only used in Cisco's devices. With Cisco CDP Monitor, You can send the informationof your host to the connective Cisco device.