The Best 5 NetSim Alternatives

  • GNS3

    GNS3 is a graphical network simulator that allows simulation of complex networks. To provide complete and accurate simulations, GNS3 is strongly linked with: Dynamips, a Cisco IOS emulator.

    Free Open Source Mac OS X Windows Linux

  • Cisco Packet Tracer

    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. .

    Free Windows

  • Dynamips

    Dynamips is an emulator computer program that was written to emulate Cisco routers.

    Free Open Source Mac OS X Windows Linux

  • Cisco Packet Tracer Mobile

    Cisco Packet Tracer mobile is a freely available network emulation stack centered around Cisco routers, firewalls, and switches. The mobile version is freely available...

    Free Android iPhone iPad