FRRouting
5.8#10 in virtual routers softwareFree planFree planLinuxSelf-hosted
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FRR suits network architects and teams managing routing on Linux or Unix systems. It is intended for uses including network connectivity, LAN routing, Internet access, and peering.
OPNsense suits people and organizations seeking a self-hosted firewall and routing platform with VPN, traffic monitoring, and intrusion-prevention capabilities. Its Business Edition is intended for companies, enterprises, and professionals seeking commercial features and a selective upgrade path.