UCI chess engine
Portable UCI- and XBoard-compatible chess engines.
A promising chess program
Domination is a game that is a bit like the board game Risk
computer opponent for the board game Blokus
Platform independent browser based Str8ts solver
Platform independent browser based Sudoku solver
Blind Chess using Taiwan rules
Some humble web applications
Qt-based Minesweeper with different backgrounds (and music for PC)
Logical game
Classic pac-man on Qt with pure C++.
A JavaScript game library to quickly develop board games for the web
Small Java game such as "Connect Four" but something differently.
An Open Source RPG - a tabletop game
Connect 4