tjnull/leetha

Network Security Sniffer

Python rewrite of passive OS fingerprinting tool

Professional network monitoring & visualization tool. L0P4Map combines high-speed ARP discovery with full nmap integration and a real-time interactive network topology engine. Works on both local networks and custom IPs/websites.

Mercury: network metadata capture and analysis

Network reconnaissance and asset discovery tool

JA4+ is a suite of network fingerprinting standards

LanLens scans your local network, identifies devices by MAC/IP, and gives you a clean web UI to document, classify, and connect to them.

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

Network recon framework. Build your own, self-hosted and fully-controlled alternatives to Shodan / ZoomEye / Censys and GreyNoise, run your Passive DNS service, build your taylor-made EASM tool, collect and analyse network intelligence from your sensors, and much more! Uses Nmap, Masscan, Zeek, p0f, ProjectDiscovery tools, etc.