On an unrelated note. Would love to know what you used to generate the docs. Thanks

Came here to ask the same question. I've seen several sites use the same generator, looks real sharp.

Not sure if that's the one being used but I found https://github.com/lord/slate and it looks very similar. Check it out.

Looking at some of their clients I would say you're right. Thanks!

If I understand well: If the event tickets are free, then the service is free?

yes for simple events