Watchman - A lightweight, Open Source Network Monitor for Windows & Mac

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Watchman shows which apps are using your internet, even when they run quietly in the background. It also tracks live download and upload speed, CPU and RAM usage, traffic history, connection health, M-Lab speed tests, CSV export, and a compact taskbar widget. Local-first, no account required.

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Hey Product Hunt,
I built Watchman because I kept running into the same problem on my own PC: I could see that my internet or system was slow, but I didn’t know what was happening in the background.

Sometimes an app was using bandwidth quietly. Sometimes Windows felt slow and I wanted to know whether it was my CPU, RAM, network, or some background process. I wanted one simple place to answer: what is using my data, what is running, and what is affecting my PC right now?

So I built Watchman: a local-first Windows app that shows per-app network activity, live download/upload speed, traffic history, CPU and RAM usage, connection health, speed tests, CSV export, and a compact taskbar widget.

- Is the app activity view useful?
- Is the taskbar widget helpful?
- What would you want me to improve next?

Thanks for checking it out.