Welcome to Ribblr!
Yes, you can open/join public spaces. Here’s some more info:
You can also check this out:
A group is essentially just a group of members, and a space is exactly as it sounds- a room (private or public) where you can talk to everyone or just single group, depending on how it was set up.
For example, we have a small group of Ribblr testers and only they can access our private Ribblr testing space which is otherwise not visible to other members.