Un catalogue hétéroclite (shaarli d'e-loquens.fr)
Logiciel permettant de scanner un réseau pour détecter les machines, les ports ouverts, les dossiers partagés. Il m'a l'air assez complet et simple à utiliser.

"Key features

   Performs a ping sweep and displays live devices.
   Fully supports both IPv4 and IPv6 discovery.
   Detects hardware MAC-addresses, even across routers.
   Detects hidden shared folders and writable ones.
   Detects your internal and external IP addresses.
   Scans for listening TCP ports, some UDP and SNMP services.
   Retrieves currently logged-on users, configured user accounts, uptime, etc.
   Mounts and explores network resources.
   Launches external third party applications.
   Exports results to HTML, XML, CSV and TXT.
   Supports Wake-On-LAN, remote shutdown and sending network messages.
   Retrieves any system information via WMI, remote registry, file system and service manager.
   Absolutely free, requires no installation, and does not contain any adware, spyware or malware."
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