• PBR
• OSPF
• frr-ospfd
• bird2

PBR¶

https://openwrt.org/docs/guide-user/network/routing/pbr - PBR app - split tunneling - PBR with netifd - route traffic to a specific interface - mwan3 - load balancing and failover

OSPF¶

frr-ospfd¶

FRRouting - active fork of Quagga

bird2¶

BIRD Internet Routing Daemon - lightweight