🛠 https://www.putty.org/ PuTTY - is an SSH and telnet client, developed originally by Simon Tatham.

🛠 https://nmap.org/ nmap - is a free and open source (license) utility for network discovery and security auditing.


🛠 https://github.com/rkhal101/nmapAutomator The main goal for this script is to automate all of the process of recon/enumeration that is run every time, and instead focus our attention on real pen testing.


🛠 https://github.com/zmap/zmap zmap - is a fast single packet network scanner designed for Internet-wide network surveys.

🛠 https://github.com/robertdavidgraham/masscan masscan - is the fastest Internet port scanner, spews SYN packets asynchronously.

🛠 https://github.com/gvb84/pbscan pbscan - is a faster and more efficient stateless SYN scanner and banner grabber.

🛠 http://www.hping.org/ hping - is a command-line oriented TCP/IP packet assembler/analyzer.

🛠 https://github.com/traviscross/mtr mtr - is a tool that combines the functionality of the 'traceroute' and 'ping' programs in a single network diagnostic tool.

🛠 https://github.com/mehrdadrad/mylg mylg - is an open source utility which combines the functions of the different network probes in one diagnostic tool.

🛠 http://netcat.sourceforge.net/ netcat - is a networking utility which reads and writes data across network connections, using the TCP/IP protocol.

🛠 https://www.tcpdump.org/ tcpdump - is a powerful command-line packet analyzer.

🛠 https://www.wireshark.org/docs/man-pages/tshark.html tshark - is a tool that allows us to dump and analyze network traffic (wireshark cli).

🛠 https://termshark.io/ Termshark - is a simple terminal user-interface for tshark.

🛠 https://github.com/jpr5/ngrep ngrep - is like GNU grep applied to the network layer.

🛠 https://github.com/mechpen/sockdump sockdump - dump unix domain socket traffic.

🛠 https://github.com/google/stenographer stenographer - is a packet capture solution 
which aims to quickly spool all packets to disk.

🛠 https://github.com/sachaos/tcpterm tcpterm - visualize packets in TUI.

🛠 https://github.com/tgraf/bmon bmon - is a monitoring and debugging tool to capture networking related statistics and prepare them visually.

🛠 http://iptraf.seul.org/2.6/manual.html#installation iptraf-ng - is a console-based network monitoring program for Linux that displays information about IP traffic.

🛠 https://github.com/vergoh/vnstat vnstat - is a network traffic monitor for Linux and BSD.

🛠 https://iperf.fr/ iPerf3 - is a tool for active measurements of the maximum achievable bandwidth on IP networks.

🛠 https://github.com/Microsoft/Ethr ethr - is a Network Performance Measurement Tool for TCP, UDP & HTTP.

🛠 https://github.com/jwbensley/Etherate Etherate - is a Linux CLI based Ethernet and MPLS traffic testing tool.

🛠 https://github.com/mpolden/echoip echoip - is a IP address lookup service.

🛠 https://github.com/troglobit/nemesis Nemesis - packet manipulation CLI tool; craft and inject packets of several protocols.

🛠 https://github.com/packetfu/packetfu packetfu - a mid-level packet manipulation library for Ruby.

🛠 https://scapy.net/ Scapy - packet manipulation library; forge, send, decode, capture packets of a wide number of protocols.

🛠 https://github.com/SecureAuthCorp/impacket impacket - is a collection of Python classes for working with network protocols.

🛠 https://github.com/arthepsy/ssh-audit ssh-audit - is a tool for SSH server auditing.

🛠 https://aria2.github.io/ aria2 - is a lightweight multi-protocol & multi-source command-line download utility.

🛠 https://github.com/x-way/iptables-tracer iptables-tracer - observe the path of packets through the iptables chains.