iDeviceBrowser is an application that makes it possible for you to view and edit files on your iDevice (which includes the iPhone, iPod Touch, iPad, and Apple TV). In conjunction with "afc2add", which is available via Cydia, it allows access to the full file structure, or else just the /private/var/mobile/Media/" directory.
ng-jackspa is a set of simple user interface programs that host a LADSPA plugin, providing JACK ports for its audio inputs and outputs, and dynamic setting of its control inputs through the user interface. Additionally, the plugin controls can be exported to or controlled by control voltages on standard JACK audio ports. The following interfaces are available: an ncurses visual (full screen) interface for the terminal; a GTK+ graphical interface; a Qt 4 graphical interface; and a command line interface for the terminal.
Dough is a personal budgeting application. It's designed to be both simple and attractive whilst being very effective at helping you keep in control of your spending. It features an attractive, to the point user interface with plenty of visual elements. It has many options for filtering and searching transactions, can import your bank statements, and you can make graphs of pretty much anything.