the hardware sito runs on has gone through stages -- donated, found in the trash (!), leftovers, etc.
as for funding, well, sito doesnt really have any of that! OED and i do the day-to-day maintenance, upkeep, and programming. we welcome donations, but its never ever required.
as for the THANKS, yes, there is a long overdue need to make a very thorough thank you page. (the donations page attempts to do this ... a little.) however, a tiny version of all this can be found in the help files by searching on "who is sito".