@nik Liberapay is great, they are doing something different than us and Patreon. Currently on Liberapay you can only accept donations and there are no locked posts, which are legally 'digital goods' that we automatically calculate taxes for. There are several donations-only services with no fees at all for this reason.
Liberapay themselves opened an issue on alternative payment suggestions in 2019, it's still open now:
If you have suggestions please do let them know, they are literally asking for alternatives.
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