Eww. Ok, so, I’ve used reCAPTCHA on sites I maintain at work, just on forms to prevent excessive bot spam submissions. No way do I want to subject users to this BS, though. Does anyone have recommendations for other decent captchas that could be used instead?
Cloudflare Turnstile, if you're already using Cloudflare (or not!): https://www.cloudflare.com/application-services/products/tur...
Anubis is an alternative to captchas, it's OSS.
hcaptcha is pretty popular these days. It uses a very wide variety of traditional visual puzzles.
I run into https://www.hcaptcha.com/ and https://friendlycaptcha.com/ from time to time as a user without complaint. Can't speak to the latter but I've used the former a bit and it does the job.