UCI chess engine
Domination is a game that is a bit like the board game Risk
A promising chess program
computer opponent for the board game Blokus
Blind Chess using Taiwan rules
Platform independent browser based Str8ts solver
Platform independent browser based Sudoku solver
Some humble web applications
Qt-based Minesweeper with different backgrounds (and music for PC)
Classic pac-man on Qt with pure C++.
Small Java game such as "Connect Four" but something differently.
An Open Source RPG - a tabletop game