AFT (Almost Free Text) is a document preparation system. It is mostly free form, meaning that there is little intrusive markup; AFT source documents look a lot like plain old ASCII text. It has a few rules for structuring your document, more to do with formatting your text than embedding lots of commands, and it produces all types of output (HTML, XHTML, LaTeX, roll-your-own XML, etc.). All that needs to be done is to edit a rule file. You can even customize your own rule files for specialized output.
DSML is the Directory Services Markup Language, an XML dialect for working with directory information. The DSML Tools provide for the querying of any LDAP directory (with search results output as DSML), the importing of DSML data into any LDAP directory, the directory-context validation of DSML (checking for illegal attributes in the entries, etc.), and the calculation of the differences (for a directory) between two DSML documents to provide an XML Diff algorithm for DSML data. This software makes all LDAP-supporting directories DSML-enabled. It can also check the integrity of DSML data, and show at a glance how two data sets, represented as DSML, differ.
filepp is a generic file preprocessor designed to allow the functionality provided by the C preprocessor to be used with any file type. It supports the full set of C preprocessor keywords (#include, #define, #if, etc.). filepp is also highly customisable and allows users to easily add their own keywords or modify the behaviour of existing keywords.
HTML::Mason is a full-featured web site development and delivery system. Mason allows web pages and sites to be constructed from shared, reusable building blocks called components. Components contain a mix of Perl and HTML, and can call each other and pass values back and forth like subroutines. Components increase modularity and eliminate repetitive work. HTML::Mason is most powerful when used in conjunction with mod_perl, but can be used in standalone applications as well.