On a bit of a mission here. Just made the first addition to what I plan to be lots of variations of self-hosting this Formspree alternative. The goal is to allow you to host just what you need, and avoid the bloat and complexity of self-hosting the entire service.
The self-hosting option is nice but, from what I understand, I would not even need to do that if you provided end-to-end encryption with PGP. i.e. the form is encrypted with my public key, then sent to your server, then sent to my e-mail, then decrypted with my private key.
With such option, the self-hosting is still a nice to have, if you cease to provide the service at formbee.dev.
For sure anyone could just use the hosted option, but it will ultimately be more pricey than someone self-hosting it. If someone will remain in the free tier (under 250 submissions per month) they should just stick to the hosted option, but even still some people like total control over their data, which self-hosting would get them as close as possible to that.
With such option, the self-hosting is still a nice to have, if you cease to provide the service at formbee.dev.