I'd prefer supporting its developers via Gittip or similar rather than having to deal with buying something to use it. That just puts a barrier on use. (If only

I'd prefer supporting its developers via Gittip or similar rather than having to deal with buying something to use it. That just puts a barrier on use. (If only they'd accept my money.) Similarly, I'd rather share my open source project for free rather than spend my effort on selling it, and hope to get some support via other means. I don't like barriers.