The best free alternative to Zenmap is Nmap, which is also Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Zenmap and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Zenmap are Angry IP Scanner, Fing, NetPeek and Advanced IP Scanner.
Open-source utility for security auditing and network exploration, utilizing raw IP packets to scan hosts and services, identify OS and service versions, and assess network infrastructure, compatible across major operating systems with advanced GUI and tool suite.
Open-source, cross-platform network scanner for fast and simple IP and port scanning. It's lightweight, requires no installation, utilizes multithreading for speed, and is extendable via plugins. It pings IPs, resolves hostnames, determines MAC addresses, provides NetBIOS info, and saves results in various formats.
Discover all devices on your network with this trusted scanner. Monitor ISP performances, run speed tests, find hidden cameras, and check for vulnerabilities quickly. With multiplatform support and ad-free browsing, you can upgrade for more tools and enhanced network protection.
A modern libadwaita-based network scanner for GNOME that helps you discover devices on your local network.
Reliable and free network scanner to analyse LAN. The program shows all network devices, gives you access to shared folders, provides remote control of computers (via RDP and Radmin), and can even remotely switch computers off. It is easy to use and runs as a portable edition.
Android-focused port scanner quickly discovers hosts and delivers comprehensive network data. Displays local and remote device info, enabling detailed analysis for systems security.
NETworkManager is a powerful tool for managing networks and troubleshoot network problems! It includes a variety of tools such as an IP scanner, Port Scanner, Ping Monitor, WiFi analyzer, PuTTY/RemoteDesktop with tabs or an LLDP/CDP capture (and many more) in a unified user...
Wireless Network Watcher is a small utility that scans your wireless network and displays the list of all computers and devices that are currently connected to your network.
runZero provides asset inventory and network visibility for security and IT teams. You can discover your entire inventory including managed and unmanaged devices, on-premises and cloud assets, IT and OT infrastructure, endpoints at work and at home.
ZMap is a fast single packet network scanner designed for Internet-wide network surveys. On a typical desktop computer with a gigabit Ethernet connection, ZMap is capable scanning the entire public IPv4 address space in under 45 minutes.
United States
Estonia
EU
Belgium
Russia
Germany
