1)   LanTopolog 1.11
Provides automatic physical network topology discovery, network map visualization, detailed and searchable physical network topology map, monitoring device's state in real-time, ability to auto-discovery new devices, web browser-based access

 2)   LANsurveyor 10.0
LANsurveyor automates network documentation and reporting. Using multiple discovery methods, LANsurveyor cross-correlates the data and creates advanced topology maps. Diagrams feature Layer 2 and Layer 3 connectivity and export to Microsoft Visio.

 3)   10-Strike Network Diagram 2.3
Create a diagram of your local area network quickly with this powerful network diagrammer and mapper, save it in popular graphical formats, copy and paste it to a document and export it to Microsoft Visio. The program scans LAN switches via SNMP.