Multi-Dimensional Clustering (MDC) Table Size Estimator for DB2 is an application that can be used to optimally estimate space requirements based on table statistics and MDC parameters. It has the ability to use one or more clustering dimensions, which speeds up the query process and frees users from the burdens of converting a table to MDC on AIX and Windows.
Cruiser places an icon in your system tray that activates a recursive menu system. The initial purpose is to allow you to browse your filesystem. Cruiser is also designed to be extended with plugins using D-Bus, so it can take on many different roles. It is possible to write plugins to provide quick access to RSS feeds, bookmarks, email, weather, stock quotes, and more.
PylotLight is a cross-platform, themeable, plugin-supporting system for general computing tasks. It is comparable to QuickSilver, which you may recognize if you use a Mac. Current plugins exist for Web searches, Firefox bookmark launching, filesystem browsing and managing, subversion control, terminal control, and more.