Nestopia UE
Easy fine console input/output for java
Game backup loader for Wii and vWii
Android, DOS, FirefoxOS, Linux, MacOS and Windows all in one..
Log and Play Retro Controller Inputs
A math flashcard-like game
A TBS game written in C++ but the twist is its only console based.
A java-based, purely object-oriented chess engine.
Graphing calculator within the Windows desktop console
PIC16F84 based Pong Game
Invaders like game, written in Python with Curses... :)