The International Obfuscated C Code Contest
A contest to write the most obscure/obfuscated C program.

The Robot World Cup Initiative
Soccer playing computers.

Swiss Olympiad in Informatics
The SOI is a national programming contest for people up to 20 years in age.

RoboCom
An online game for programmers. Participants determine how robots will move, communicate with others or even build more robots.

Teamwork in Programming Contests
Tips and observations from a team of programmers who have regularly won in the ACM programming contests. Published in ACM Crossroads, the student magazine of the ACM.

Loebner Prize
A unique annual contest in which a winner is selected from participants who comes to the closest to demonstrating that machines can think like humans, as per the Turing Test.

Programmer of the Month
A periodical problem solving contest for programmers, originally internal to AT&T, is now open to anyone.

Internet Problem Solving Contest
Online programming contest for teams, open to anyone.

International Contest for ICCS
Programming contest disseminated by the Nalini Foundation in five categories: computation, simulation, graphic patterns, words, mind benders.

Internet Programming Contest
Duke University sponsors a programming contest that takes place in real-time over the internet.

Programming Contest Problems Archive
If you are preparing for a programming contest, this page might be useful. Includes past problems of national, regional and international contests.

MacHack
Annual Macintosh programming contest and convention.

Tarleton State University AITP Tarleton Contest
Annual programming contest at Tarleton State University.

ICFP Programming Contest (1999)
The webpage for the 1999 ICFP Functional Programming Contest.

BUTE Budapest International 24-hour Programming Contest
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.

TopCoder
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.

Valladolid Programming Competition
An online contest with information about writing competitions, questions, and an online judge.

JRobots
Java-based Robots Programming challenge.

Minigame 8-Bit Coding Competition
Create a game for the Commodore 64/128, Spectrum, Amstrad CPC or Atari 8-bit, in just 2048 or 512 bytes of code.

Spare-Time Programming Contest
This is a casual contest open to any University of California Computer Science student.

PHP Coding
A new contest every few weeks. PHP only, but HTML and any extension commonly available to PHP is allowed. Disallowed is any other type of scripting language.

2002 MiniGame Compo
Aim is to write a game in 1024 bytes of code, for an 8-bit home computer such as the Atari 2600, NES, CPC+, or TI99/4A. Includes competition news and details of entries.

Techwoods
Regional Level Programming Olympiad organized by the Madras Christian College, Chennai.

Grid Wars
Writing battle programs championship. Sponsored by HP.

C++ Programming Contests
One contest per week for all levels of difficulty.

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

RoShamBo Programming Competition
A Rock-Paper-Scissors programming competition.

Programming Tournament from MSO Worldwide
Mind Puzzle programming competition from Mind Sports Worldwide.

ICFP Functional Programming Contest
A contenst sponsored by the International Conference on Functional Programming.

Sun Microsystems' Applet Programming Contest
A regularly scheduled programming contest in Java, sponsored by Sun Microsystems.

C++ Robots
C++ based robots programming challenge.

Upstate Collegiate Programming Contest
Programming contest for students of Upstate New York colleges and universities.

Flipcode Coding Contest
Graphics programming contest allowing remote participation.

Al Zimmermann's Programming Contests
A series of programming contests that offer cash prizes. Any programming language may be used. These contests are conducted at irregular intervals, generally once or twice a year.

Prolog Programming Contest
General information and contest results about this international programming contest.

OpenECG Programming Contest
A programming contest for Electrocardiography record handling applications and tools, using the SCP-ECG Standard.

BCS Programming Competition
The British Computer Society's programming competition, open to teams of up to 5 entrants, students or professionals, aged under 30.

The 1KB 6502 Programming Contest
Contest programming on the 6502 microprocessor. Valid programs must run on the 1 KB ram Microtan65.

URCSC Computer Programming Contest
Programming contest sponsored by the University of Richmond, Computer Science Club.

MiniGame Compo
Contest to write a fully playable game in under 1K or 4K. Open to games for classic 8-bit computers.

RAD Race
The Rapid Application Development Race is a programming competition open to any kind of development tool and/or language. The RAD Race focuses on real life business and administrative programming and not on algorithm development.

Denison Programming Contest
The Mathematics and Computer Science Department at Denison University hosts a programming contest each spring for small colleges.

International InfoMATRIX Computer Project Competition
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.

DSAP
Data Structures + Algorithms = Programs. Algorithm materials and programming problems from informatics contests.

ADHOC - Advanced Developers Hands-On Conference
The annual programming contest and conference formerly known as MacHack, this event is put on by Macintosh Developers and for Macintosh Developers. July 21-24, 2004.

IAUM-CCC
Information for Islamic Azad University of Mashad Collegiate Coding Challege that takes place April-May Annually.

iDevGames : uDevGame Contest
An annual event that promotes game development on the Macintosh computer.

ICFP Programming Contest
Annual programming contest held in conjunction with International Conference on Functional Programming. Accepts submissions written using any programming language.

Sphere Online Judge
Problemset archive and online judge accepting solutions in C, C++, Pascal, Java, Python, Ocaml, Prolog and other languages.

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

Programmer Of The Moment (POTM)
Programming contest offers a challenge every few months for C/C++/Perl/Shell/PHP/etc. gurus from around the world. Active Forum and several years of old problems. Restarted September 2004.