OPNsense +openvpn client routing in 2020 : r/OPNsenseFirewall
Remote workers – rapid and cost-effective VPN scale with ZeroTier, OPNSense and FRRouting. – StubArea51.net
Dynamic Routing: How To — OPNsense documentation
FreeBSD router take 2 (pt. 4): Demoting my ISP's router | eerielinux
MLMConseil - OPNsense is an open source, easy-to-use and easy-to-build FreeBSD based firewall and routing platform. OPNsense includes most of the features available in expensive commercial firewalls, and more in many cases.
Static routing through VPN servers in OpnSense – JRS Systems: the blog
Static route on OPNsense results in intermittent traffic flow : r/OPNsenseFirewall