We've removed the invite new users to your space feature for an undefined amount of time.

To invite new users to your space, you will have them create their account on our signup form first. You can also register the account for them by defining their password. They will be able to change the password once their are logged in at their profile page.

1. Sign up their account in our Sign-up Page. (You need to be logged out to reach that site, otherwise you will be redirected)
2. Add them as collaborator
3. Have them change their password