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

An open-source remote desktop application designed for self-hosting, as an alternative to TeamViewer.
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…

Open Source Deep Packet Inspection Software Toolkit

Zeek is a powerful network analysis framework that is much different from the typical IDS you may know.

Web-based Traffic and Cybersecurity Network Traffic Monitoring

Open-source IPAM and DCIM platform providing a centralized source of truth for modeling, documenting, and automating network infrastructure with…

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

Wireshark's official code repository. You can keep the releases coming by donating at https://wiresharkfoundation.org/donate/.

Utility program to perform multiple operations for a given subnet/CIDR ranges.

iNTERCEPT, a free and open-source platform that unites the best signal intelligence tools into a single, accessible interface.

High-performance network discovery and security auditing tool with advanced port scanning, OS detection, service version detection, and scriptable…

A powerful open-source tool for managing networks and troubleshooting network problems!

Real-time Windows system monitor with advanced process, network, and disk analysis, stack trace debugging, malware detection, and service management.…

Real-time network traffic visualizer — see every connection your computer makes. Privacy-first, 100% local. / Visualiseur de trafic réseau en temps…

Real-time global intelligence dashboard. AI-powered news aggregation, geopolitical monitoring, and infrastructure tracking in a unified situational…

Fast service fingerprinting CLI for 170+ protocols (TCP/UDP/SCTP) - built by Praetorian

A utility to detect various technology for a given IP address.

Model Context Protocol server for Firefox DevTools - enables AI assistants to inspect and control Firefox browser through WebDriver BiDi