Most routers contain proprietary software by default. They also restrict what you can do
with your router.
Liberated Routers provide you with a free software solution by default.
OpenWrt provides the richest libre embedded operating system for networking and much more. Use the bundled Luci interface to manage your local network, wireless and Internet connections.
Build your own DNS-over-HTTPS (DoH) resolver or Ad blocker. Connect to VPNs.
Access your local network remotely.
Build a print server. Share a data-card with the entire network.
And so much more...