Funny thing, I had already contacted you about your etna_viv Vivante drivers project... the internet is as small as the world it seems 
Haha what a concidence, wow For personal funding, I'd recommend https://gittip.com
And for sponsoring feature/bugs: https://fundhub.org
I have a gittip account, but they don't support BTC yet. I've heard they are working on it. Fundhub looks interesting tho.And for sponsoring feature/bugs: https://fundhub.org