Projects related to LDAP/Directories deployment worldwide
OpenLDAP Project - http://www.OpenLDAP.org/
Directories related issues in Internet2 Project
University of Michigan Online X.500 Directory
UDDI (Universal Description, Discovery
The Universal Description, Discovery and Integration (UDDI) project is an industry initiative. The project creates a platform-independent, open framework for describing services, discovering businesses, and integrating business services using the Internet, as well as an operational registry that is available today.
PKI related projects and services