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Wireshark

Wireshark is a free, open-source developer tool for Windows, macOS and Linux. Wireshark is a network protocol analyser that captures live traffic or opens capture files and decodes it packet by packet. It has 10,107 GitHub stars and is released under the GPL-2.0 license.

github.com/wireshark/wireshark (opens in a new tab)

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About Wireshark

Wireshark is a network traffic analyzer, or "sniffer", for Linux, macOS, \*BSD and other Unix and Unix-like operating systems and for Windows. It uses Qt, a graphical user interface library, and libpcap and npcap as packet capture and filtering libraries.

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FAQ

Wireshark FAQ

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Is Wireshark free and open source?

Yes. Wireshark's source code is public on GitHub under the GPL-2.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.

How do I install Wireshark?

Download it from the project website or build it from source by following the README on GitHub.

Is Wireshark still maintained?

The repository's most recent commit was on Oct 28, 2026. appsgit only lists apps whose repository had a commit in the last six months.