- Reading the data from Wii Remote camera and control projector image accordingly
- Open source microfinance web application that helps the needy in undeveloped countries (mifos.org)
- Seriously agressive image analysis, that has medical usage
- Football robots done by high school teams
- A printer application that automatically marks the answer sheets, done by two Hungarian students
- Satellite stations monitoring
- Other cool stuff
If you haven't already, watch this.