GNS3 AlternativesNetwork Simulators and other similar apps like GNS3

GNS3 is described as 'Graphical network simulator that allows simulation of complex networks' and is a network simulator in the education & reference category. There are eight alternatives to GNS3 for a variety of platforms, including Windows, Linux, Mac, Android and iPhone apps. The best GNS3 alternative is Cisco Packet Tracer, which is free. Other great apps like GNS3 are Eve-NG, Dynamips, NetSim and Free SNMP Agent Simulator.

filter to find the best alternatives

GNS3 alternatives are mainly Network Simulators You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to GNS3.
GNS3 iconGNS3
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GNS3 is a graphical network simulator that allows simulation of complex networks.

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GNS3 alternatives page was last updated Sep 28, 2024
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Alternatives
  1. Copy a direct link to this comment to your clipboard

    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.

    8 Cisco Packet Tracer alternatives

    License model

    • FreeProprietary

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad

    Properties

    1.  Educational

    Features

    1.  Network Tools

    Cisco Packet Tracer VS GNS3

     
    • Most users think Cisco Packet Tracer is a great GNS3 alternative.

    • Cisco Packet Tracer is the most popular Windows, Android, Mac & iPhone alternative to GNS3.

    • Cisco Packet Tracer is the most popular free alternative to GNS3.

    • Cisco Packet Tracer is Free and ProprietaryGNS3 is Free and Open Source
  2. Eve-NG icon
     3 likes
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    The new EVE-NG platform is ready for todays requirements. It allows enterprises, e-learning providers/centres, individuals and group collaborators to create virtual proof of concepts, solutions and training environments.

    7 Eve-NG alternatives

    License model

    • FreemiumOpen Source

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Linux

    Eve-NG VS GNS3

     
    • Eve-NG is the most popular Open Source alternative to GNS3.

    • Eve-NG is Freemium and Open SourceGNS3 is Free and Open Source
  3.  4 likes
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    Dynamips is an emulator computer program that was written to emulate Cisco routers. It has been created by Christophe Fillot who started his work in August 2005. Dynamips runs on Linux, Mac OS X or Windows and can emulate the hardware of the Cisco series routing platforms by...

    5 Dynamips alternatives

    License model

    • FreeOpen Source

    Country of Origin

    • FR flagFrance
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux

    Dynamips VS GNS3

     
  4. NetSim icon
     5 likes
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    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.

    7 NetSim alternatives

    License model

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows

    NetSim VS GNS3

     
    • NetSim is the most popular commercial alternative to GNS3.

    • NetSim is Paid and ProprietaryGNS3 is Free and Open Source
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    Verax SNMP agent simulator allows IT personnel to build virtual, simulated networks of devices without purchasing any additional hardware, for instance for testing purposes.

    4 Free SNMP Agent Simulator alternatives

    License model

    • FreemiumProprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows
    • Linux

    Free SNMP Agent Simulator VS GNS3

     
    Comments about Free SNMP Agent Simulator as an Alternative to GNS3
    sdrawkcab
    Negative Feb 22, 2018
    0

    Simulator for devices using exclusively the SNMP protocol, but not a true virtual network simulator such as GNS3 or Cisco Packet Tracer.

    GNS3 Icon
    Free SNMP Agent Simulator icon
    • Free SNMP Agent Simulator is Freemium and ProprietaryGNS3 is Free and Open Source
  6.  2 likes
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    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.

    4 MaSSHandra alternatives

    License model

    • FreeProprietary

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Windows
    • Linux

    MaSSHandra Features

    1.  SSH

    MaSSHandra VS GNS3

     
  7. Kathara icon
     1 like
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    Kathará is an open source container-based network emulation system for showing interactive demos/lessons, testing production networks in a sandbox environment, or developing new network protocols.

    4 Kathara alternatives

    License model

    • FreeOpen Source

    Platforms

    • Mac
    • Windows
    • Linux

    Kathara Features

    1. Docker icon  Support for Docker
    2.  DNS Server
    3.  Kubernetes

    Kathara VS GNS3

     
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    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.

    4 Cable Project CAD alternatives

    License model

    Platforms

    • Windows

    Cable Project CAD VS GNS3

     
    Comments about Cable Project CAD as an Alternative to GNS3
    Guest
    Negative Nov 10, 2023
    0

    It is a cable design layout rather then a network simulation tool

    GNS3 Icon
    • Cable Project CAD is Paid and ProprietaryGNS3 is Free and Open Source
8 of 8 GNS3 alternatives