BetterCap is the state of the art, modular, portable and easily extensible MITM framework featuring ARP, DNS and ICMP spoofing, sslstripping, credentials harvesting and more.

This tool makes it easier to generate SIPp load tests with DTMF interactions.

https://github.com/0dayinc/pwn/README.md

Hacker-gems installs most needed gems for hackers.

Net::DNS is a pure Ruby DNS library, with a clean OO interface and an extensible API. The net-dns2 ruby gem is an actively maintained fork of the original net-dns.

GNMS is a graphical tool used to monitor state of network elements

A command line tool to listen for Amazon Dash button presses and toggle LIFX lights ON and OFF (via the LIFX HTTP API). With options to configure: the Dash MAC address, network interface and LIFX bulb selector. Inspired by Ted Benson's hack (http://tinyurl.com/zba3da2). Root access is required for network packet sniffing.

metasploit-framework

Ownlan is used to test a network against MITM attacks, and then to secure it.

Reassemble TCP fragment data from pcap file like Wireshark.

Library for Amazon Dash button.

A ruby interface for unified2 output. rUnified2 allows you to manipulate unified2 output for custom storage and/or analysis.

Willow Run is a Ruby API to the macOS/OSX airport command providing various wireless utilities. The airport command manages 802.11 interfaces, can perform wireless broadcast scans ( with xml/plist output support ), set arbitrary channels on the interface, and even generate PSKs from specified pass phrases and SSIDs -- all from the command-line, which I really love.