What are some alternatives?
When comparing Ko-fi and Buy Me A Coffee, you can also consider the following products
Patreon - Patreon enables fans to give ongoing support to their favorite creators.
Liberapay - Liberapay is a recurrent donations platform.
Flattr - Help the open and free web flourish. Support creators by paying for their free content.
Donate Your Tab - Mine Crypto in your browser to help people in need
FreedomSponsors - Check this out! freedomsponsors.org - Crowdfunding Free Software, one issue at a time.
The Pineapple Fund - Donating $86 million of bitcoins to charity 🍍💸❤️