Alternatives to Cisco IOS for all platforms with any license

  • Quagga

    Quagga is a network routing software suite providing implementations of Open Shortest Path First (OSPF), Routing Information Protocol (RIP), Border Gateway Protocol...

    Free Open Source Linux BSD

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  • Junos OS

    Junos OS is the FreeBSD-based operating system used in Juniper Networks hardware routers. It is an operating system that is used in Juniper's routing, switching and...

    Commercial VirtualBox Self-Hosted VMware Workstation GNS3 VMware Player

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  • securityrouter.org

    The securityrouter.org project is a network operating system and software distribution based on OpenBSD, featuring a single, revision-managed, clear-text configuration...

    Freemium Self-Hosted

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