claws-mail-indicator is a simple plug-in which adds support to Claws Mail for the Ubuntu indicators. Notifications are displayed in the Messaging menu, with the option to display a notification bubble each time new messages arrive. It was developed and tested on Ubuntu 11.04 (Natty) 64-bit.
Desfonema Sequencer is a tracker-inspired MIDI sequencer. It uses a pattern oriented design, with n tracks by pattern. It offers a piano roll editor for tracks, and a tabbed track interface for patterns. It features convenient keyboard shortcuts, a virtual keyboard, step and live editing, MIDI input (ALSA), and a text-based file format that is easy to edit manually or merge and better suited for version systems like Subversion.
GêBR is a simple graphical interface that facilitates geophysical data processing. While it is not a package for processing, it is designed to integrate a large variety of free processing packages. It can handle Projects and Lines, assemble and run processing sequences, and act as an interface to many freely-available seismic-processing packages (such as Seismic Unix, Madagascar, etc.)
Simple Image Reducer is an GTK application to easily reduce and rotate images. It can be useful for processing digital photos before sending by email or uploading on the Web. Image files can be supplied to the application from the file manager using the context menu "Open with...", or dragging files to the main window.
TimeIT is a time tracker that works quietly almost without any interaction and still measures the time you are spending on several projects. The concept of this program is that tasks and projects are assigned to workspaces and while you are in those workspaces your projects are timed. It also has detection of idleness, editing of time records, and summary views grouped by day, week, month, and year.