OpenDict is free cross-platform dictionary program. It works with DICT, Slowo and Mova dictionaries. It also supports plug-in dictionaries that may be created for almost any data source. OpenDict is a client for DICT servers.

Avogadro is a molecular graphics and modelling system targeted at molecules and biomolecules. It can visualize properties like molecular orbitals or electrostatic potentials and features an intuitive molecular builder.

AutoKey is a desktop automation utility for Linux and X11. It allows the automation of virtually any task by responding to typed abbreviations and hotkeys. It offers a full-featured GUI that makes it highly accessible for novices, as well as a scripting interface offering the full flexibility and power of the Python language.

gjots2 is a fairly simple jotter (outline processor) and notetaking application for your desktop.

An environment for authoring TeX (LaTeX, ConTeXt, etc) documents, with a Unicode-based, TeX-aware editor, integrated PDF viewer, and a clean, simple interface accessible to casual and non-technical users.

gtkterm is a simple GTK+ terminal used to communicate with the serial port.