An Oceanic Survival Game · By Redbeet Interactive
I don't believe they have released on Steam yet. I cannot find on my Steam client either.
See the dev blog for info on the game
http://store.steampowered.com/app/648800/Raft/
No, as there is really no buying this game on itch as it was free in the first place.
As for donations, it likely won't happen.
