NBTscan-Ipanto is a command-line tool that scans for NETBIOS devices on a local or remote TCP/IP network.
NBTscan-Ipanto is more powerful than others NETBIOS scanners as it is designed not to flood ARP tables and firewalls. It gives very useful reports, including the username connected on each detected device.
NBTscan-Ipanto is an open source freeware.
All downloads can be found at: http://www.ipanto.com/?/tools_resources/freeware

• Ipanto Lite 3.0.1a
  IP Address Management software with SQL database and Web GUI Main features - User-friendly and intuitive Web GUI, - 1 user profile with full admin rights, - Reporting (IP...

• Ipanto Lite for Cisco IOS DHCP 3.0.1a
  IP Address Management software with SQL database and Web GUI Main features - User-friendly and intuitive Web GUI, - Monitoring of Cisco IOS DHCP scopes - 1 user profile with full admin rights, - Reporting (IP utilization and history)

• OPAN Network Monitor 1.
  OPAN is a Network Monitor/Protocol Decoder for Ethernet LAN's. It captures data, monitors network traffic, and collects protocol statistics while you can decode IP,ICMP,TCP/UDP,DNS,ARP,LLC,SMB,IPX,NetBIOS,RPC and HTTP Frames.

• IPtoMAC 1.00
  A freeware program designed to find the MAC Address of any IPv4 device on your local network (subnet) even if that device is protected by a personal firewall

• Find MAC Address by LizardSystems 1.2.3.29
  Find MAC Address is a tool for finding the MAC addresses of computers on the network. With Find MAC Address, you can find the MAC address of your computer or a remote computer or any computer within a specified range of IP addresses. Unlike similar software, Find MAC Address can find the MAC addresses of computers using four methods (ARP, NetBIOS,...

• Find MAC Address by LizardSystems 3.3
  Find MAC Address is a tool for finding the MAC addresses of computers on the network

• Ipanto Lite Freeware 3.0.2
  Ipanto Lite is a simple IP address management (IPAM) tool to replace your spreadsheet