There is an ongoing work aiming to get a single sign-on for maemo.org

If you want to know more and help out follow these links:

Wiki page where the task is documented
http://wiki.maemo.org/Task:Single_sign-on

This is a task commited in the maemo.org April sprint by Daniel Wilms. You can follow the process in the sprint page
http://wiki.maemo.org/Maemo.org_Sprints/April_09

and also in Daniel's blog
http://danielwilms.wordpress.com/