I like this idea. Something tiny and trivial (sorry) really makes more sense as a freebie. But I understand not everyone is into writing free software. So a mod

I like this idea. Something tiny and trivial (sorry) really makes more sense as a freebie. But I understand not everyone is into writing free software. So a model that makes sense for you and your users is that the freebie attracts potential customers to something that really justifies a monetary consideration.