ctm.pl is a Perl script which generates Apache type maps for use with mod_negotiation. Useful if you have a lot of images available in different formats you need type maps for, especially if you don't want to use MultiViews to decide which of them will be sent back to the requesting browser.
DarkFire IRCd is an efficient, modern, and flexible IRC server used primarily on the DarkFire IRC Network. Originally based on Dreamforge, it has numerous enhancements and a wider variety of features. It features an efficient server to server protocol, a wide variety of user and operator commands, and a flexible protocol.
The DataBrowser is a Java-based tool for browsing virtually any database. It has been tested with Oracle, SQL Server, PostgreSQL/Postgres, MySQL, DB2, and MS Access (among some others). It requires a Java 2 runtime environment. The DataBrowser allows you to execute dynamic SQL, import and export data, view the schema in a treeview, and view query results in a table view. It also logs all SQL executed with the SQLLog feature.
DB_Browser is a CGI tool for developers working with any relational database supported by Perl::DBI. It easily facilitates searching, editing, and adding to tables within a database. While it can be used as a regular interface to database data itself, it works well as a supplemental tool for developers creating their own primary interface.
Dead Link Check (DLC) is a Perl script designed to find information on validity of HTTP references. The script may use/generate a cache file for avoiding redoing network requests if the user wants to check added entries. The script works by reading entries from a file (or a list of links from the command line) and output results in file(s) (or STDOUT). DLC was created as an extension to Public Bookmark Generator (PBM), but can be used on its own.