Free network services software for windows

AutoScan Network is an application designed to explore and to manage your network. Furthermore, entire subnets can be scanned simultaneously without any human intervention.
The objective of the program is to post the list of all equipment connected to the network. A list of ports preset is scanned for each equipment.
Main features:
- Fast multithreaded scanning
- Automatic network discovery
- Extreme Low Bandwidth
- Multi-Site
- Addition time-reality of the new machines put on the network
- Monitoring of equipment (router, server, firewall, ...)
- Monitoring of network services (smtp, http, pop, ...)
- Detection of the OS, brand and model known (Possibility to add an unknown equipment in the database)
- Ability to save the network state (XML)
- Intrusion Alert (If you activate this function, the new equipments found will be considered as intruders)
- Samba share browser (Detects hidden shared resources)
- Telnet client
- Nessus client
- Doesnt require administrative privileges