Was going to say it's here, but it's not indeed, you can join the waitlist: https://www.tb.pro/en-US/

Would be very nice if the wait-list included pricing, given that it's apparently here enough to have a sign-in link.

To be fair, "Give for TB awareness" has a nice ring to it...

I think email is one of the few critical services that takes a lot of effort to get it right. I'd rather have them take a while to ensure it is reliable rather than have a buggy mess on launch day.