Nice!
I see *BSD are not supported..
Also, people running OPNsense may find there is already a web-ui for it:
https://docs.opnsense.org/plugins.html#vpn-connectivity
I'm looking forward though to seeing more tooling developed on top of WG as was always intended, making it easier to plug into other user auth systems and to deploy it to non-technical end users. The QR code thing helps for example but I'd also like to see widespread support for options like autogenerating mobileconfigs [0] for Macs/iDevices and equivalents elsewhere, tying into MDM etc. To get maximum use it needs to get to the point of "install this profile, that's it" or just happen automagically for managed devices. More graphical visualization of what's going on and troubleshooting could help novices too. Such a great foundational tool but projects like this are exciting to see appear as well since they are important next steps.
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0: https://github.com/WireGuard/wireguard-apple/blob/master/MOB...
Firezone is Docker-free and the firewall management application is designed modularly so that nftables can be swapped for another implementation without too much trouble.
There's no technical reason packages couldn't be built for Windows and macOS as well.