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## Packet analysis

-   libpcap-based tools:
    -   [Wireshark](https://www.wireshark.org/) is the big one here. TODO: Add tutorials on installation, how to use Wireshark with tcpdump when you can't get Wireshark on a target system, etc.
    -   tshark
    -   tcpdump
    -   ngrep

## Signal analysis

-   [Baudline](http://www.baudline.com/) is a very fast graphical signal analyzer and function generator. Unfortunately not Free Software, but nevertheless very powerful.

TODO: Good hardware -- oscilloscopes, etc.
