Yeah but there are a cost related to this which is pointed in 4th stage of "how to list on Bittrex", I think this will be much bigger than we can think of. They said it depends on complexity of the coin and team, a form of deceptive marketing with the slogan "We don't require a fee." However, if possible to spend some fee, we can list ourself on a good exchange.
These exchanges usually charges a "hidden fee". They could say that they don´t charge anything but sometimes you get a message saying we need XXXXX money for integration purposes and bla bla.
I think we could try to cover the listing fee between all the members of this community.
Kind of like "Free Download" of some software. Yes, no charge to download it, but to actually use it.... well that's another story. They that with "Free signup" also. But you can always sign up at the deeponion.org forum for free for real