Networkchkr checks for, alerts on, and reports on uptime and downtime for any and all networked HW and SW--routers, switches, gateways, access points and more, Immediate alerting by email, text or pager. Command line and optional web interface for remote control on the go by tablet or smartphone. Ultrahigh reliability. Diagnostic aids for quickly pinpointing causes. Runs on any Windows or classic Linux PC or server. Light on the network, its host, and your time. Quick easy setup with maintenance-free continuous operation. Set it and forget it. Syslog option and many other advanced features. High target count capability. Free forever for 10 targets, only pennies per month per target for more.