The Indiegogo Art/Music campaigns have raised over $95,000 to date...
Perhaps Tiny Speck could do the same for Glitch? After all, Wikipedia asks for donations every year to keep the site running... why couldn't Tiny Speck?
There's a pinned thread, along with many others, that describe in pretty good detail the reasons for closing Glitch and the reasons that any sort of crowd funding effort would not work.