SatyrSack

Thanks. You may have just saved my night.

KISS is very similar to Niagara, and is FOSS. I have used it for years

https://kisslauncher.com/

https://github.com/Neamar/KISS

What is the value add of this product? The donors and recipients still need to set up a Monero wallet and everything to use the service. A recipient may just as well instead use any other means (social media, etc.) to announce that they are accepting Monero donations at xyz address.

Their FAQ lists multiple reasons that various countries, ISPs, etc. block CatBox, and using a VPN is often mentioned as the solution. Here is an archive of their FAQ that you should be able to read from any connection:

https://web.archive.org/web/20250822215754/https://catbox.moe/faq.php