NeDI is described as 'NeDi can discover your network on a regular basis. It allows you to locate and track all connected devices, monitor traffic or broad-' and is a Network Monitor in the network & admin category. There are more than 10 alternatives to NeDI for a variety of platforms, including Windows, Linux, Mac, Web-based and iPhone apps. The best NeDI alternative is Nmap, which is both free and Open Source. Other great apps like NeDI are Zenmap, NetDisco, LanTopoLog and AdRem MyNet Toolset.
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.
Nmap is the most popular Windows, Mac & Linux alternative to NeDI.
Nmap is the most popular Open Source & free alternative to NeDI.
Zenmap is the official cross-platform GUI for the Nmap Security Scanner. It is free and runs on Linux, Windows, Mac OS X, etc. Zenmap aims to make Nmap easy for beginners to use while providing advanced features for experienced Nmap users.
Netdisco is an Open Source web-based network management tool first released publically in 2003. The target users are large corporate and university networks administrators. Data is collected into a Postgres database using SNMP and presented with a clean web interface using Mason.
Automatic physical network topology discovery based on SNMP. Network traffic monitoring. Monitoring invalid and dropped packets (ifInErrors, ifInDiscards). Display VLAN IDs. Computer inventory. Web browser-based access. E-mail alerts notifying.
Network diagnostic and troubleshooting tool organizer with GRAPHICAL network map:
Diagnose network performance problems in real-time with Intermapper, network monitoring software from HelpSystems. Powerful, reliable, and user-friendly, Intermapper helps network professionals stay ahead of outages by monitoring the performance of all your physical and virtual...
ManageEngine DeviceExpert is a Network Change and Configuration Management Software to manage the configurations of switches, routers, firewalls and other network devices
RANCID - Really Awesome New Cisco confIg Differ. A web-based tool for automatically downloading Cisco configurations into a CVS version-control system which can be searched, displayed and "diffed" to compare versions of the configuration files.
A fast and lightweight TR-069 Auto Configuration Server (ACS). GenieACS can work with any device that supports the TR-069 protocol. It auto-discovers the device’s parameter tree (including vendor-specific parameters) making no assumptions about the device’s data model.
rConfig is a free open source network device configuration management utility for network engineers to take frequent configuration snapshots of their network devices.
Network management and monitoring software for managed devices from any vendor that helps to discover, monitor, mapping and analyzing networks topology, connectivity and performance.
Lan-Secure Switch Center is the most popular commercial alternative to NeDI.
Network Configuration Manager is the most popular iPhone alternative to NeDI.
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Seems valid and viable but not tried.