NetSentinel

Local desktop app that finds every device on your network and diagnoses dropouts

Desktopfreeglobal

NetSentinel is a free, local desktop app that finds every device on your network, detects faults like rogue bridges, broadcast storms and ARP spoofing, scans ports, looks up CVEs, and logs stability over time — everything needed to diagnose dropouts and prove an outage to an ISP, running 100% locally with no telemetry.

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