The best developer's and/or admin's GUI tool for Sqlite3 in the world. No joking here (or just a bit only) - it contains the most complette feature set of all tools available.
Nihongoup is a Japanese reviewing tool for foreign learners and native speakers alike.
※ Improve your kana IME typing speed
※ Review JLPT kanji and vocabulary
※ Learn Japanese particles in context
All this comes packaged in this Japanese learning game which will keep you motivated during you study of this beautiful, but demanding language.
OpenCity is a 3D city simulator game inspired by Free Reign and written by Duong-Khang Nguyen.
It is coded in C++ and uses OpenGL and the SDL. The latest stable release of the game is version 0.0.62 released October 22nd, 2009. The game is licensed under the GPL
Abacus is a small, light and easy to use spreadsheet being developed as graduation project under the tutorship of Prof. Arlindo Oliveira, and the spreadsheet is being developed using the Tcl/Tk toolkit, as well as plain old C/C++ for all the "number-crunching" tasks.