OPNsense is an open source FreeBSD-based firewall and routing platform with a web GUI, API, VPN, traffic shaping, and security features for networks and homelabs.

4.7k stars983 forksBSD-2-Clauselast commit Actively maintained
FortiGate is Fortinet's next-generation firewall (NGFW) and network security platform that provides firewalling, VPN, intrusion prevention, web and content filtering, application control, and SD-WAN to protect and control network traffic.
OPNsense is an open source FreeBSD-based firewall and routing platform with a web GUI, API, VPN, traffic shaping, and security features for networks and homelabs.

4.7k stars983 forksBSD-2-Clauselast commit Actively maintained
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 1 of 1 shipped a commit in the last six months. Licences in this list: BSD-2-Clause. In exchange you take on hosting, backups and updates yourself.
Browse everything in Core Network Services (DNS, DHCP, IPAM).