Copies IP packets from source to destination PCAP files.
IPGREP is a command line tool to grep IP packets out of PCAP files. It provides basic filter for IP version and IP addresses. It is written in pure C without LIBPCAP, so it should run faster.
XMLStarlet is a set of command line utilities (tools) to transform, query, validate, and edit XML documents and files using simple set of shell commands in similar way it is done for text files with UNIX grep, sed, awk, diff, patch, join, etc utilities.
binreplace is a command line tool to search and replace binary sequences in a file. It can be very powerful when used together with grep and sed. It uses prefix tree internally to search. It's efficient even with millions of search terms.
Scat is a powerful and useful tool to print out files content either as a raw text or hexdump (hexadecimal dump). It also has wide set of options to manipulate an output, which makes scat useful with cascade piping (like find | scat | grep) or debugging