#1Tools for discovering network topology, devices, and services.
Kitploit recommended

A powerful open-source tool for managing networks and troubleshooting network problems!
ZMap is a fast single packet network scanner designed for Internet-wide network surveys.

Tools and Techniques for Blue Team / Incident Response

Multi-threaded network reconnaissance tool that automates service enumeration, port scanning, and information gathering for penetration testing and…

Open Source Deep Packet Inspection Software Toolkit

A fast port scanner written in go with a focus on reliability and simplicity. Designed to be used in combination with other tools for attack surface…

Centralized network visibility and continuous asset discovery. Monitor devices, detect change, and stay aware across distributed networks.

Pulls infrastructure assets and their relationships from 30+ cloud, identity, and SaaS platforms into a Neo4j graph for security queries and…

:articulated_lorry: Awesome CAN bus tools, hardware and resources for Cyber Security Researchers, Reverse Engineers, and Automotive Electronics…

A network diagnostic tool combining traceroute and ping for analyzing network paths, latency, and packet loss with an interactive terminal UI.

Angry IP Scanner - fast and friendly network scanner

the TCPdump network dissector

Terminal bandwidth utilization tool

System-independent library for user-level packet capture and filtering. Provides a portable framework for low-level network monitoring, security…

Multiplatform C++ library for high-performance network packet capture, parsing, crafting, and analysis. Supports libpcap, DPDK, AF_XDP, PF_RING, and…

Network diagrams that update themselves

The Ultimate Information Gathering Toolkit

Next generation web scanner