We do not provide member registration and login features yet.
In the meantime, you can password protect pages using our Password Protection feature, which allows you to create a private website, or make part of your site private, by password protecting certain pages on your site. Take a look at the Password Protection tutorial to get started.
Alternatively, you can create a separate account for the site you would like to collaborate. This way you can keep the shared site separate from any other sites in your account.
Sitebuilder Classic
How can we help you?