The original extensible Markdown + Math note app
Precision Trigonometry: Advanced Calculator for Complex Math
Another drawing editor for LaTeX with PSTricks & TikZ
Change encoding of text files.
Utility classes for Java
Dynamically generate documents from templates
Graphical message and file encryption tool
A hex editor Eclipse plugin and multi-platform desktop application
BRIC is a powerful tool for batch image processing.
Best IDE for Beginners
Show files on Android device
RPG character generator for RPG d20 systems.
Visual components ready for ASCII rendering
a tool to learn about Chinese (and Japanese) characters
Binary Conversion Calculator
A Java application for transferring computer files in 5 letter groups
Networked Jeopardy game
Real-time data acquisition and visualization software