Added OpenDJ to LDAP Servers

README.md

@@ -126,6 +126,7 @@ A curated list of amazingly awesome open source sysadmin resources inspired by [
 
 * [389 Directory Server](http://port389.org) - Developed by Red Hat.
 * [Apache Directory Server](http://directory.apache.org/) - Apache Software Foundation project written in Java.
+* [OpenDJ](http://opendj.forgerock.org/) - Fork of OpenDS.
 * [OpenDS](https://opends.java.net/) - Another directory server written in Java.
 * [OpenLDAP](http://openldap.org/) - Developed by the OpenLDAP Project.