I think not having much documentation is fine, but please make the demo something where people can use it without logging in. E.g., they can click a button and just start messing with a demo project. Then you regularly reap the demo projects that haven't been used in the last 48 hours.
ooko.pro It's not just a demo, it's a working service and a lot of people use it every day. The presence of registration is both a necessity and a kind of barrier from disinterested users.
It's also a barrier to interested users. I'm one. I am currently using 3 kanban solutions for different needs. I'm always looking for better solutions, but I'm not going to invest much in something with no docs and one screenshot.
That said, your answer here tells me what I need to know about the product.
