Core server and tier 1 (built-in) plugins
An OOB interaction gathering server and client library
Anti-Spam SMTP Proxy Server implements multiple spam filters
dhcpd server
Log analyser for Squid access.log
The open-source digital workplace for growing teams and enterprises.
A software components library
apache cookie SSO mechanism.
Makes it easier to resolve TCP/IP connection errors.
Apache LDAP Directory Manager
Modular and flexible PHP cms/framework
Web-based RSS Reader
Provide users with a managed temporary access to arbitary FTP
Squidgate is a webinterface to manage squid
Deprecated project - see http://wordpress.org/extend/plugins/wpmuldap/
although fully functional, this is a pre-framework that you can extend