There are many alternatives to GNS3 for Windows if you are looking for a replacement. The best Windows alternative is Cisco Packet Tracer, which is free. If that doesn't suit you, our users have ranked seven alternatives to GNS3 and six of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to GNS3 are Dynamips, Kathara, NetSim and MaSSHandra.
Packet Tracer is an essential learning tool used in these Cisco Networking Academy courses: IT Essentials, CCNA Routing and Switching, CCNA Security, Intro to Internet of Things (IoT), and Mobility Fundamentals.
NetSim for CCNP Network Simulator is now updated to support the new ROUTE, SWITCH and TSHOOT technologies. The improved interface of NetSim for CCNP makes completing labs, compiling new labs and designing network topologies easier than ever before.
3d Network Diagram and Design Tool Create network diagrams in real 3D. Access and monitor your devices from the diagrams. Easy creation of network diagrams with the network autodiscovery function.
Network Design Tool auto-generates the Rack Diagram, Wiring Log Book, 3D view, Bill of Materials and Specification with project costs. You don't have to manually do cost estimations any longer.
United States
France
EU
Germany
It is a cable design layout rather then a network simulation tool