[kemyd]

In fact, you can buy lifetime license and use it on https://tailwind.build & https://bootstrapshuffle.com & https://bulma.dev

If my sites go down, I'll release a self-hosted version of the service, so you'll be able to run the editor on your local machine.

[camkego]

I'd pay double for a self-hosted version, that isn't phone-home dependent. This removes a huge risk that the service will one day disappear. (If your sites go down you may not be able to release a self-hosted version)