OpenWRT is more "linux like". It can feel like a full blown linux system. Sure, it does have a web interface, but if you're used to doing stuff by ssh, OpenWRT is great: nice text configuration files, organized root tree and pretty much any package you get on any desktop distro, if you have the necessary space on the device...

I even run it in some KVM environments for intra-VM routing and firewall because it's lightweight.