I've been using Gittip for my free software projects, and while I am nowhere near being sustainable, it's more than I expected to get. There is certainly room f

I've been using Gittip for my free software projects, and while I am nowhere near being sustainable, it's more than I expected to get. There is certainly room for two players (see Kickstarter/Indiegogo), and I much prefer Gittip's minimalism and lack of flare.