Free usability questions software for linux

Lucidity hopes to become the next generation graphical user interface focused on speed and usability.
Lucidity is being developed in Ruby and at this point Im the only developer. Although not much information is given on this site (right now, that is) I have a pretty good idea of where Im aiming towards with this interface.
Enhancements:
- This is a (testing only) local chat application that allows two or more instances of a chat application to communicate with each other.

Gtk2::Ex::Dialogs::Question is a Perl module that provides a simple question dialog.

SYNOPSIS

use Gtk2::Ex::Dialogs::Question ( destroy_with_parent => TRUE,
modal => TRUE,
no_separator => FALSE );

# do some stuff like creating your apps main $window then,
# to ensure that all messages use the right parent, set it:
$Gtk2::Ex::Dialogs::Question::parent_window = $window;

# now popup a new dialog
my $r = ask Gtk2::Ex::Dialogs::Question ( "Is Perl only hackers glue?" );
if ( $r ) {
# end-user thinks so
} else {
# end-user does not think so
}

This module provides a simple dialog api that wraps Gtk2::Dialog objectively. The objective is a clean and simple question dialog (just "NO" and "YES" buttons).

Graph-includes creates a graph of dependencies between source files and/or groups of source files, with an emphasis on getting readable and usable graphs even for large projects.
Graph-includes project is meant to be an helper tool for a refactoring effort. Usability of the dependency graphs are currently improved by customizable grouping of several source files into a single node, and transitive reduction of the graph.
Enhancements:
- Ported to non-Unix platforms (tested on Windows).
- This release has finally implemented/fixed node group coloring.
- A default path for system-includes lookup has been added.

JDuplicate project is a multiplayer word game suite supporting Scrabble and Duplicate.

It supports popular word games such as Duplicate and Scrabble.

JDuplicate Swing Client, commonly called JDSC, is the JDuplicate reference
client. It will allow you to connect to a JDuplicate server and play without
having to input complex commands as its main goal is usability.

Unlike JDCC, which was developped for debugging purposes, JDSC is developped
from the ground up with ease of use in mind. JDSC is fully graphical and
features user friendly characteristics such as drag&dropping tiles, full sound
support and a click and play interface for game selection.

Like the rest of the JDuplicate "official" package, running JDSC will require
that you install Java.

LX is a community-driven Web site program in which users can share links, post on forums, send private messages to one another, and more.

LX is written with performance, security, standards, and usability in mind.

Score Cluster System Software is a cluster system software is designed for the high performance cluster environment without using the TCP/IP protocol stack. Score Cluster System Software features high performance communication, efficient computer management and single-system image, higher usability and availabily, and a seamless cluster environment.
Enhancements:
- Support for PM/Myrinet2XP devices and X11 relay has been restored.
- This release adds checkpointing, autoconfiguration, and dynamic reconfiguration.
- It eliminates the need for kernel patching through the use of modules.
- There are many bugfixes.

Now you can run Torsmo in KDE! well, not really, but close enough. KaTorsmo is a Karamba theme that looks like Torzmo.

KaTorsmo is very simple and clean. No icons or ugly graphics. Just plain simple usability! Torzmo style!

The Process count does not work yet. The hostname and IP address does not work yet.

jQuizShow project is a game based on the "Who Wants To Be a Millionaire" TV game show.

It forms the framework around which a group can play their own Millionaire-like game. It is fully customizable and easy to add your own questions and answers to.