Eval (infinite license, few limited features), 30-day Trial
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OpManager is an excellent tool for monitoring servers, routers, firewalls, wireless devices and best of all for 10 devices it can be used for free!
ManageEngine OpManager is a complete network monitoring software that
offers combined WAN, Server, Applications monitoring with integrated help desk, asset management & WAN traffic analysis functionality. OpManager automates several network monitoring tasks and removes the complexity associated with network management.