Libgda is a (relatively small) database access library. It provides a wrapper like ODBC but with more features for accessing several database engines, a general data model for use with CSV or XML files, a metadata extractor that retrieves information about database objects in a common way, and a SQL console application (like mysql, psql or sqlite3 consoles).
wmphoto+ displays the images in the dockable application window. You can switch the images manually or display them as a slide show. Each image accepts up to two related commands. You can run them using mouse buttons when the application displays the image. Using the alternative configuration directories, you can run a few instances of the program that display the different sets of images.
nautilus-follow-symlink is a nautilus extension that adds a context menu entry to nautilus on symbolic links pointing to directories, which once clicked opens the pointed directory (the real path) in a window. It does so both when right clicking on the folder icon or on the contents of an opened symbolic link.
Knights aims to be the ultimate chess resource on your computer. Written for the K Desktop Environment, it's designed to be both friendly to new chess players and functional for Grand Masters. It supports play against many opponents, including yourself, computer opponents, live Internet players, and against friends via email. It also sports highly customizable graphics and sound.