Angry IP Scanner
Open Source
IP scanner is a fast, friendly, extensible, free and open-source IP scanner to scan addresses and ports in any range.
PingPlotter
Commercial
PingPlotter helps solve network problems. It's a network diagnostic tool that graphs latency and packet loss between your computer and a target.
Compare WinMTR with alternatives
Compare Angry IP Scanner and WinMTR and decide which is most suitable for you.