MetaGauge 1.0
Although MetaGauge is designed for a corporate network environment it will work with any device that supports SNMP interface monitoring including most DSL modem/routers.
Easily monitor your Microsoft Windows Server, take automatic action and/or alert you to issues if they arise. Checks include services, processes, disk space, performance, event logs & network connectivity. Quick & easy to install, configure & manage.
NetWrix Server Configuration Monitor is a free auditing tool to monitor server configurations and automatically document changes, including hardware devices, drivers, software, services, networking settings.
NetWrix SQL Server Change Reporter is a free tool to audit and report on all administrative changes made to server configurations and databases: server instances, databases, users, roles, logins, schema changes, and many other objects.
Internet Owl watches websites, and tells you when they have changed.
Network Eagle Monitor actively monitors the network, servers, services, devices and databases for availability and health and immediately alerts you when it detects a problem. It can also run some actions to resolve the issue automatically.