Lightest weight text editor no money can buy,
Workflow Designer, Hive Editor, Pig Editor, File System Browser
The LaTeX Equation Editor
ncurses VCard 3.0 contact management editor
Pear3DEngine is a modern and modular 3D development framework
Free, command line MS Access databases creator/editor
A Fast Light Neuron Tracing and Editor Tool
Hide your secret message into any type of files
Business graphics diagramming application + customizable shape lib.
an embeddable spreadsheet for your web application
Inkscape extension to add and edit GNUplot graphs
Ubuntu Power: All-In-One Ubuntu version
Alternative Gnucash implementation