Mac OS X / cocoa implementation of a network protocol analyzer and packet sniffer (incl. the expressions that you already know from libPCAP/tcpdump). It supports the industry-standard PCAP packet capture format for reading, capturing and writing packet trace files.

Requires Mac OS X 10.12 or later (old versions available).
Free-/ Donationware!

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(Version 1.90)

Mac OS X network packet sniffer that dumps all packets to a file. Simple and plain without the overhead of any analyzer. Since it uses libPCAP it supports most expressions known from tcpdump.

Requires Mac OS X 10.4 or later, Universal Binary.
Free-/ Donationware!

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(Version 0.22)

Small cli-daemon, checks for a fileserver-volume on all locally mounted volumes. If the volumename/ mountpoint can not be found it will be remounted from a fileserver.

Requires Mac OS X 10.4 or later, Universal Binary.
Free-/ Donationware!

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(Version 0.10)

DSL Modem Tool for Siemens ADSL2 Modem. Early development version. May not work with all modem firmware around since i dont use the modem any more. If there are bugs please report!

Requires Mac OS X 10.4 or later, Universal Binary.
Free-/ Donationware!

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(Version 0.25)