Raknet looks good and is free for non-commercial use, which means I could make a plugin using it and distribute it for free. However anyone wanting to sell their online game needs a license, which is only about �50 ($100) per application. This is okay I guess, a commercial game would probably make that back if they just have a handful of sales. But it's still a bit of a barrier to small time indie devs. What do you reckon?
I think $100 would be totally OK for a commercial project. And probably it would be possible to arrange a discount for Construct users (you're actually pushing their product to the market).
Besides, other people wold be free to code a brand new free extension..
Just a matter of quality of netcode, protocol etc., which I'm definitely not able to judge!