The best free Virtual LAN alternative to ZeroTier is WireGuard, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to ZeroTier and many of them are free Virtual LAN Software so hopefully you can find a suitable replacement. Other interesting free Virtual LAN Software alternatives to ZeroTier are Tailscale, NetBird, SoftEther VPN and LogMeIn Hamachi.
ZeroTier alternatives are mainly Virtual LAN Software, but if you're looking for
VPN Services or VPN Clients you can filter on that. Other popular filters include
Virtual LAN. 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 ZeroTier.
Not related in any way at all.