GyulyVGC/sniffnet
Comfortably monitor your Internet traffic 🕵️♂️
What it does
Sniffnet is a free, easy-to-use desktop application that lets you see exactly what internet traffic is going in and out of your computer in real time, displayed in a clean visual interface. It works on Windows, Mac, and Linux, and is available in over 20 languages, making network visibility accessible to virtually anyone regardless of technical background.
Why it matters for PMs
With over 32,000 GitHub stars, Sniffnet signals massive demand for privacy and network transparency tools that don't require specialized expertise — a market gap that commercial products like Little Snitch or enterprise firewalls haven't fully addressed for everyday users. For founders and investors, this level of organic traction points to a viable consumer or SMB security product opportunity, particularly as data privacy regulations and cyber threats push more people to want visibility into their own devices.
Early stage — limited signal data
Score updated Feb 18, 2026
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