Your post said several things, but one was "there is only one free certificate provider (lets encrypt)". Pointing out that there's actually a second ACME one is a useful response, at least to me, since I think a lot of us still thought LE was the only option.
> Buypass Go SSL
> It is free! Issued in Scandinavia based on the industry standard ACME.
I posted a diff showing the patch you can use to switch go's crypto/acme/autocert to use it.
The CA does sell paid SSL product, but they also have a free ACME endpoint that issues 6 month certs.
Here is an example of what one of the certs look like: https://crt.sh/?id=2075589060