With Open Directory your application can locate and manage information about users and other resources in your existing network infrastructure. Read this article to learn how to write Open Directory plug-ins that take advantage of this capability.
Writing Open Directory Plug-ins
2004-09-15 macOS 2 Comments
How exactly is this different or better than LDAP? I mean, other than the fact that Apple did it?
NIH is a disease.
From the article, Open Directory supports the following plug-ins:
2) Active Directory
The article was just explaining how to add your own custom plug-ins. As far as being better, thats easy; it’s LDAP+.