whatsnewfm is a filter for the daily freshmeat newsletter. It shows only news items that you haven't seen before (so you don't have to read about every update of applications that you aren't interested in). You can also set up a list of "interesting" applications where you want to be informed of every update.
WPP is a small perl5 script that allows preprocessing of HTML files. It allows you to define "variables", which are brief abbreviations for longer constructs, and include common HTML fragments. It's useful for giving a uniform layout to different HTML pages. It can be used in cgi-bin programs for automatic generation of pages. With less HTML code inside you can make more flexible cgi-scripts.
wxDesigner is a dialog editor and RAD tool for the wxWindows C++ library and its popular Python and Perl bindings. It includes a visual dialog editor, a bitmap editor, a syntax-highlighting source editor, and built-in mechanisms for automatic generation of file skeletons, GUI classes, event handlers, and getter functions. It provides an identical user interface and identical functionality for C++, Perl, and Python, and it can generate output in C++, Python, Perl, and XML.
Xcyr-fonts is a package of Cyrillic screen fonts for X, suitable for Belorussian, Bulgarian, Macedonian, Russian (new and old orthography), Serbian, Ukrainian languages. They are encoded using a new map KOI8-C that coincides with the standard KOI8-(R,U) in the letters area but adds more Cyrillic letters (all of ISO8859-5 plus Yat', Fita, Izhitsa) and some typographic symbols (mostly from CP-1251). The font set is a fully compatible superset of the standard XFree86 Russian Cyrillic fonts, with numerous changes to improve quality.
xfigchart.pl is a quick and easy way to create bar charts. It uses a commandline interface and takes data values as a table from stdin and writes an XFig file to stdout. Postprocessing of the bar charts is done manually using the free vector drawing tool XFig, with which it is possible to create very complex diagrams mixed with other graphics components in a short time and to use a variety of export filters (PostScript, LaTeX, PNG, etc.).
Xfiles is an interactive utility for comparing and merging one file tree with another over a network. It supports freeform work on several machines (no need to keep track of what files are changed on which machine). Xfiles can also be used as a cross-validating disk<->disk backup strategy.
XML-DBMS is a set of Java packages for transferring data between XML documents and relational databases. It views the XML document as a tree of objects in which element types are generally viewed as classes and attributes and PCDATA as properties of those classes. It then uses an object-relational mapping to map these objects to the database. An XML-based mapping language is used to define the view and map it to the database.
XML-DBMS (Perl) is a port of the Java version of XML-DBMS. XML-DBMS is middleware for transferring data between XML documents and relational databases. It views the XML document as a tree of data-specific objects in which element types are generally viewed as classes and attributes and PCDATA as properties of those classes. It then uses an object-relational mapping to map these objects to the database. An XML-based mapping language is used to define the view and map it to the database.