Exmh is an X user interface for MH mail. MH provides a set of UNIX commands that manage folders and mail messages. MH has a zillion features as a result of several years of availability. Exmh provides a graphical interface to many of these features, as well as MIME, PGP/GPG support, NNTP, and more.
eXist is a native XML database featuring efficient, index-based XQuery processing. It provides a complete ecosystem for building applications entirely based on XML, XQuery, and related standards. The high-performance XML database engine stores textual or binary data and documents without requiring a database schema. Using XML across all layers makes mapping technologies superfluous and increases productivity. A browser-based IDE and a standardized application packaging system help developers get started quickly.
This is an example script showing how to make Netware or KixTart like login scripts with Samba. It demonstrates how to make drive mappings based upon username and/or group membership, and how to insert a user-/machinename in a BIND8 DNS server, so you can have a dynamic DNS server with which you can resolve a username/machinename to an IP address.