PingPlotter Pro is a network monitoring and troubleshooting tool. It runs in the background collecting data, and then allows you to quickly look at the data when you experience problems (bad call quality for VoIP, slowdowns with applications, etc.).

Fast and visual Ping/Trace Route utility. Does historical graphs of performance to pinpoint problems and see trending. Uses multiple threads to trace all hops at once for SUBSTANTIAL performance improvements over standard trace routes.

Fast and visual Ping/Trace Route utility. Uses multiple threads to trace all hops at once for SUBSTANTIAL performance improvements over standard trace routes.