Annual 24-hour contest hosted by Budapest University of Technology and Economics. The contest is open to a limited number of international teams of 3 people via an internet qualifying round.

An annual contest sponsored by the International Conference on Functional Programming provides links to the current and prior organizing academic college departments.

An annual event that promotes game development on the Macintosh computer.

Annual worldwide series of technology competitions focused around Microsoft technology.

Participants have to create a project for any of the categories (Programming, Design and Use of Computer, Desktop Publishing, Computer Art) First of all, each school must select one representant.

A contest to write the most obscure/obfuscated C program.

Online programming contest for teams, open to anyone.

Java-based Robots Programming challenge.

Annual Macintosh programming contest and convention.

3-monthly challenge. Every three months the innovations are published under GNU GPL/FDL licenses.

A series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve.

Soccer playing computers.

Problemset archive, online judge and contest hosting service accepting solutions in C, C++, Pascal, Java and other languages.

Online computer programming competitions in the Java, C++, and C# languages. Competitions take place twice a week, and members can win from $25-$300. Major tournaments have a prize purse of $250,000.