Nmap is described as 'Free, open-source utility for network security auditing and exploration with capabilities for OS detection, service identification, and large network scans' and is a very popular Network Monitor in the network & admin category. There are more than 50 alternatives to Nmap for a variety of platforms, including Windows, Linux, Mac, Android and Web-based apps. The best Nmap alternative is Angry IP Scanner, which is both free and Open Source. Other great apps like Nmap are Fing, Zenmap, Advanced IP Scanner and NetPeek.
Moloch augments your current security infrastructure to store and index network traffic in standard PCAP format, providing fast, indexed access. An intuitive and simple web interface is provided for PCAP browsing, searching, and exporting.
Germany
EU
Netsbee is the iOS-first network safety app that transforms confusing tech data into clear, actionable advice. No jargon. No hardware. Just peace of mind.
Total Network Inventory is a PC audit and network inventory software for office and large-scale enterprise networks. Total Network Inventory interrogates all computers and notebooks on a network and reports back with complete information about the OS, service packs, hotfixes...
Belarus
DeviceShelf is a local-first alternative for people who want to see every device on their network without an account, telemetry, or a subscription.
Switzerland
NMLinux is a free, open-source network management toolkit for Linux and macOS that brings 29 network utilities into a single desktop application. Built with Python and PySide6, it targets sysadmins and power users who want a native
Comprehensive Android network management with real-time monitoring for telephony, traffic, Wi-Fi, FTP server/client, advanced scanners, device grouping, VPN remote access, network graphing, stress testing, protocol support, and in-app tool documentation.
GermanyEU
Discover network devices, scan open ports, identify running software versions, look up known CVEs, prioritize vulnerabilities by real-world exploitation data.
GermanyEU
Local-first Windows LAN scanner with live discovery, topology mapping, per-device port history, and 26 built-in IT tools.
United Kingdom
LAN Orangutan is a lightweight network scanner with persistent device labeling, multi-network support, and Tailscale integration. Built by 291 Group.
Fast Windows network scanner for any subnet size. Discover every device, identify it by vendor, and export full reports. Free to use — nothing locked.
