Hasciicam makes it possible to have live ASCII video on the Web; giving anyone that has a bttv card, a Linux box, and a modem line the ability to show a live asciivideo feed that can be browsable without any need for a plugin, etc.
Fontlinge is a tool which searches for font files, sorts them into folders by name and look and with human readable names; also stores gathered font information in a database.
JPhotoBrush is an image editing and enhancement application, making extensive use of Swing and Java's 2D capabilities; includes a facility to open multiple images, the ability to load and save 24-bit GIF, JPG, and BMP.