Google's reCaptcha is used by many services, even though it denies you privacy: https://www.theregister.com/2020/11/02/google_ad_privacy/
That's why Tutanota has decided: #NoMoreGoogle. We provide a completely Google-free email service. 😀💪 Here is why: https://tutanota.com/blog/posts/open-source-email/
Server run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!