In the present article, we are going to show a comparison about the most used open source LDAP servers
Linux, Solaris, HP-UX
Yes, a Java desktop client
Apache Software Foundation
Yes, the Apache Directory Studio
Yes, GUI and CLI
Multi-master replication, RFC 4533
No admin GUI
*Fedora project uses many third-party components. You could check the licensing details here
**OpenDJ is a fork of OpenDS, initiated by Sun Microsystems, now owned by Oracle.
All directory services listed above support LDAPv3
- There are many LDAP frontends out there. You can get started with PHPLDAPAdmin or aWebDAP (only LDAPv2).
- The information contained in this article was extracted from the official web sites, Wikipedia and mailing list archives.