ManageEngine OpManager is an ideal network monitoring software suitable for WAN/LAN monitoring, Server & Applications management, Windows Services and Event Log monitoring, URL, UPS, Firewall monitoring & much more. Being a comprehensive, easy to use, affordable systems and applications monitoring software, it offers integrated fault and performance management functionality. OpManager automatically discovers and maps resources across the network and presents an integrated view of the enterprise in a single NMS console. It actively monitors the network and notifies operators by email / SMS when a fault occurs. OpManager provides reports and graphs for Interface statistics, CPU, Memory, Disk statistics and service response-times and availability. OpManager provides more than 160 out-of-the-box monitors to manage Cisco devices, MS-Exchange, Active Directory (version 6.0 has Exchange & Active Directory monitor add-ons), Lotus Notes, Oracle, MSSQL, Dell and Compaq servers. It also comes with an Add-on for MS SQL DB backend support. It also supports adding custom monitors to monitor any SNMP parameter. The 20 Node Small Network Edition is available Free of cost.