Asset Tracker for Networks
Network inventory tool intended to audit software and hardware components installed on the computers over the network.
http://www.alchemy-lab.com/products/atn/atn.zip?c=archive - 3Mb - Download - Screenshot

Nsauditor Network Security Auditor
Nsauditor Network Security Auditor is a network security scanner that allows to audit and monitor remote network computers for possible vulnerabilities, checks your network for all potential methods that a hacker might use to attack it. Nsauditor is a complete networking utilities package that... The program also includes real-time network packet filtering and analyzing, remote network performance monitoring, network status monitoring, web proxy scanning, password auditing, intrusion detection system based on security events log analyzer, IP address lookup and more than 45 network tools...
http://www.nsauditor.com/downloads/nsauditor_setup.exe - 5Mb - Download - Screenshot

CI Discovery Network Inventory
Comprehensive network inventory and computer auditing software for help desks and IT departments. No client installation required to audit targeted computers with the Remote module. Extensive hardware, software and system configuration data captured for both workstations and servers. ... Features include on-board reports and a "Change Tracking" tool which easily identifies changes to a workstation between two audits. ... Schedule audits for ease and consistency of data collection. ... Or run "On Demand" audits with the Remote module available for CI Discovery.
http://www.kemma.com/download/CID/CISetup.exe - 16Mb - Download - Screenshot

Audit Tool
NetVigil Audit Tool is a client software component installed on every workstation with many important functions for managing the legal aspects - software licenses and serial numbers, as well as the corporate hardware registry and the IT accounting records of your network. ... Audit Tool can help you avoid hardware theft, avoid unauthorised downloads and maintain records to reduce by 90% the time taken for corporate IT auditing. ... Key features: Scanned results are sent automatically to the NETvigil database Employee working time reports Full control of software licenses in the company...
http://www.s3software.info/html/s3/download/audit_tool.exe - 5Mb - Download - Screenshot

xSharez scanner
xSharez scanner is a multithreaded NetBIOS/SMB scanner designed for both network administrators and users interested in the network security issues. This software will help you to solve one of the most serious problems of all modern computer networks - unauthorized data access using NetBIOS/SMB... - Mount shared resources that are found by the program as network drives or simply browse them using Windows Explorer. ... What xSharez Scanner can do for you: - Audit B and C classes networks for the shared resources availability with different usernames and passwords.
http://www.tools-for.net/download/xsharez3demo.exe - 1Mb - Download - Screenshot

Professional Edition
The Professional Edition is a collection of 29 Network Discovery, Monitoring and Management tools. SolarWinds Networking tools install in seconds and allow you to be producing reports in minutes. Monitor traffic on a router with BANDWIDTH MONITOR, generate a detailed Network Inventory with IP... The Complete set includes: Advanced Subnet Calculator, Bandwidth Monitor, MAC Address Discovery, Syslog Server, Config Viewer, Config Uploader, DHCP Scope Monitor, DNS Audit, DNS / Whois Resolver, Enhanced Ping , IP Network Browser, MIB Walk, Network Address Recovery, Network Monitor, Network...
http://solarwinds.net/downloads/SolarWinds2002-PE-Eval.exe - 16Mb - Download - Screenshot

GFI LANguard Network Security Scanner
GFI LANguard Network Security Scanner (N. S. S. ) is a tool to audit network security and proactively secure it. It is also a complete patch management solution. GFI LANguard N. S. S. scans entire networks from a 'hacker's' perspective, and analyses machines for open ports, shares, security... It also provides multinational and hybrid environment support through multilingual patch management and enhanced Linux checks, allowing IT admins to scan and secure their entire network environment. ... After it has scanned your network and determined missing patches and service packs - both in the...
http://software.gfi.com/languardnss7.exe - 15Mb - Download - Screenshot

Essential NetTools
Essential NetTools is a set of network tools for diagnosing networks and monitoring your computer's network connections. NetStat: displays the list of your computer's network connections, information on open TCP and UDP ports, IP address, and connection states. ... This tool features parallel scanning, which allows checking a class C network in less than one minute. ... NetAudit (NetBIOS Auditing Tool): allows you to perform security checks on your network and/or individual computers offering the NetBIOS file sharing service.
http://www.tamos.com/files/ent4.zip - 3b - Download - Screenshot

LANView
LANView is a powerful tool for LAN administration. It can quickly obtain information about all hosts on a network, including IP addresses, MAC addresses, hostnames, users and groups. With LANView, capturing and analyzing network packets real time would be convenient. ... Additionally, you can also use it to scan port, broadcast message, remote shutdown, remote wakeup, lookup host, trace route, monitor connections, audit SNMP, find computer, ping, display network traffic, detects local host and get information about IP addresses, network adapter, Winsock, etc.
http://www.jxdev.com/lvsetup.exe - 2Mb - Download - Screenshot

Proactive Password Auditor
Proactive Password Auditor is a password security test tool that's designed to allow Windows NT, Windows 2000, Windows XP and and Windows Server 2003-based systems administrators to identify and close security holes in their networks. Proactive Password Auditor helps secure networks by executing... The software supports a few different methods of obtaining password hashes for further attack/audit: from dump files (generated by 3rd party tools like pwdump/pwdump2/pwdump3), Registry of local computer, binary Registry files (SAM and SYSTEM), memory of local computer, and memory of remote...
http://www.elcomsoft.com/download/ppa.zip - 2Mb - Download - Screenshot