Which one is the best creator-donation (aka monetization) service?

see title. quality factors (from most to least important) are:

• no data collection/aggregation
• simplicity
• doesn't belong to megacorp or some billionair douchebad
• doesn't take too much money
• no crypto/adware bs

plus points if they actively use/support free software and/or push the free culture movement in some way or the other