… news to me!

ODB was made available for public download in March 2002 to give grassroots organizations the ability to immediately start using a high-quality database product.”

See also Organizers’ Collaborative; mission statement; Technical Tips for Small Nonprofits and Social Change Groups; the obligatory page of links.
Related:
* CALF is a web application written in perl, the Collaboratively Administered Lister and Filer.” (demonstration site; log in with the user password combinations example | example and superuser | superuser.)
* DemocracyGroups.org, “a national directory of social change email lists and forums.”