Scrybe, the most anticipated beta software has started inviting people to join their site. I received an email early this morning with the message "Thank you for offering to help with our beta program!
We really appreciate your help in making Scrybe a great product. In order to make this beta program effective, we have compiled a few guidelines for all our beta testers that are available on our FAQ page. Please review these guidelines before you start testing the product. To accept this invitation and register for your account, visit..."

Scrybe is an online organizer, mostly centered around an online calendar that works really nicely. The following demo video gives you an idea of how Scrybe works. Hopefully this means that they'll be opening up their site soon.