Csv2vcard is a program for converting CSV (comma separated values, as exported by software such as MS Outlook) files containing contact information to the industry standard vcard format, which can be imported by most mailers and PIM software (optimized for Evolution). It's based on a Perl script by Michael MacDonald of Ximian. Csv2vcard can be used to convert any CSV format, not just the English Outlook output.
GImageView is a GTK+ based image viewer. It supports tabbed browsing, thumbnail table views, directory tree views, drag and drop, reading the thumbnail cache of other famous image viewers, and a flexible user interface. It also support movies using the Xine library and MPlayer, and supports images in compressed archive formats like tar.gz, zip, and lha.
ruby update is a ruby script which helps people who install their packages from source keep their packages up to date. It does not attempt to install anything on its own, but simply scans your file system and lets you know if there is an updated version of a particular program. rupdate can only check the status of those programs for which it has been hard-coded to check.
Multi-User Environment Server (MUES) is a multi-threaded, event-driven Internet game environment server written in Ruby. It is intended to facilitate the building of online multi-player games or simulations, by providing one or more dynamically programmed object environments (worlds), the means to access these environments (using a network client), various useful services or daemons (for creating in-game systems), and an event system (for facilitating the interaction of all the parts).
JTTui is a Ruby library for text mode user interfaces based on the curses library. It should work on most Unix-like systems. Because this library is written in Ruby, it follows the object paradigm in the native Ruby way. It contains widgets like dialogs, buttons, checkboxes, listboxes, and trees. The licence is the same as Ruby, allowing use of the GNU GPL or one less restrictive.
Ruby-GConf allows Ruby developers to write applications that store their configuration data using GConf (1.0.x). GConf is a configuration database system written by Havoc Pennington et al, and part of the GNOME application development framework (although it can be used separately).