Interesting. Lives somewhere between Kickstarter – where you donate, and get non-monetary considerations from a fixed schedule – and ProFounder – where you contribute funding and get a future revenue-share.

If revenue-sharing formulas can get around the oppressive regulations on raising money through true equity, there could be room for a lot of novel crowdfunding models. ProFounder seems pretty confident in its own legality, and has a seemingly-knowledgeable group of managers, advisors, and investors:

https://www.profounder.com/about/team