See every device on the Wi-Fi — without an account. Sentinel names what is connected, learns what is normal, and tells you what changed. A private alternative to Fing that runs entirely on your machine. No cloud, no telemetry, nothing to sign up for.
Most network scanners give you a wall of IP addresses and leave you to figure out what matters. Sentinel runs a small local pipeline that turns that raw scan into a plain answer: this is new, this left, this is worth a look.
On-device mDNS resolution turns a list of IP addresses into devices you recognise — your laptop, the printer, the smart speaker — so you can tell a guest's phone from something that shouldn't be there.
Sentinel learns what is normal for a network, then surfaces the difference — a device that just joined, one that disappeared — instead of making you re-read the whole list every time.
Every alert is scored and ranked by budget, so you see the one thing worth your attention first — not a flat feed of equally-loud notifications.
It debounces repeat events and remembers what you mute. The longer you run it, the less it nags — the routine stuff fades and the unusual stuff stands out.
One command locks down the machine you own — and hands you a short phone checklist for the networks you only visit. Built for the reality that you are usually a guest on someone else's Wi-Fi.
A local web dashboard shows the live picture of the network in the Lumina glass style. It runs on your machine — open a browser tab, no server in the middle.
Fing wants an account and sends what it sees to a cloud service. Sentinel does neither. The scan, the device history, and everything it learns stay on your machine. Unplug the internet and it still tells you what is on the local Wi-Fi — because it never needed the cloud to begin with.
✓ All scanning and analysis runs on-device
✓ Device history stored locally only
✓ No account, no telemetry, no analytics
✓ Works the same with the internet unplugged
→ Cloud calls ever: 0