A common problem with many NGOs is the abundance of great online tools creates a glut of logins for their members. An org might have a Drupal site, a wiki, a Ning social network, an FTP server, and more. Creating a handful of logins per organization per user is just too much to ask.
While large corporations can pay for integrating their logins, the vast majority of NGOs cannot.
The solution: OpenID
However, OpenID has many interface challenges. The Community ID project is focused on aggregating the “best of” thinking on OpenID interfaces.