Apps similar to Port Authority include Nmap, which is free and open source. Other options are Angry IP Scanner, Fing, Advanced IP Scanner and Zenmap. There's no shortage of Network Monitors like Port Authority, with more than 50 alternatives for Windows, Mac, Linux, Android and iPhone.
grIP is a console-based, multiplatorm TCP port scanner with support for IPv4 ranges as well as individual IPv6 IPs. It will shuffle the scan range and utilize a configurable number of sockets to scan it in parallel.
ThingsPage Sensor software detects and authenticates endpoints without a dedicated hardware. No PC agents are required. Installing the Sensor at one Windows machine at each network makes it easy to have centralized management of multiple networks.
United States
Delivers continuous monitoring of network devices, automated topology mapping, SNMP management with custom thresholds, real-time alerts, secure remote access, power cycling, asset documentation, interactive network visualization, flexible automation, and workflow creation.
United States
Network Analyzer can help you diagnose various problems in your wifi network setup, Internet connectivity, and also detect various issues on remote servers thanks to the wide range of tools it provides.
Czechia
EU
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
NetDiag+ is a network diagnostics toolkit for iPhone and iPad with 27 tools, built for the moment something breaks and you need to know where.
SloveniaEU
NetworkArch is a network diagnostic app equipped with various tools, including pinging specific IP address or hostname, sending Wake on LAN magic packets, Whois and DNS Lookup.
