Yup, liberapay is funded by donations on liberapay
https://liberapay.com/Liberapay/
They're the second largest recipient
https://liberapay.com/Liberapay/
They're the second largest recipient
It's hard to be "the Wikipedia of X" but once a tool has achieved Wikipedia status, competitors have basically no chance. A truly crowd-sourced and people funded solution is irreplaceable once it's mature and fully established