The Celebrity Cafe – Features over 10 contests to win cds, books, t-shirts and tickets monthly.
FindFreeDollars.com – Click advertisements on a grid for a chance to win money. Pixels available for advertiser purchase.
GoToSweepstakes.com – Features a free instant lotto game, guess the price contest, and a weekly t-shirt drawing.
Greetings America – Contest sweepstakes winners every day. Closest guess wins free online tarot card reading.
NabiscoWorld – Features an ongoing selection of online sweepstakes that offer prizes that include electronics, sports equipment, travel, and music.
Publishers Clearing House – Online sweepstakes and shopping site. Cookies required to use the site.
Receiptstoriches.com – Sweepstakes drawing that gives people the chance to win money by simply collecting their computerized register receipts.
RotoPlay.com – Online fantasy sports games played for cash prizes. Includes draft kits, player rankings, cheat sheets, injury reports, news and updates.
SugarLoot – Offers a selection of online photo, video, beauty, baby, and pet contests.
Win A Million Dollars – The largest free sweepstakes on the internet. Free contest to win a million dollars cash.
Win Sporting Goods – Daily drawings offering prizes, certificates and cash from leading sports retailers.
Winfreestuff – Win monthly prizes from leading online retailers in sporting goods, computers, entertainment, and gourmet foods.
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.
Bitwise – An annual online programming contest organized by the Computer Science and Engineering Department Society of IIT Kharagpur. Information on the contest, sponsors and resources.
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.
C++ Robots – C++ based robots programming challenge.
Denison Programming Contest – The Mathematics and Computer Science Department at Denison University hosts a programming contest each spring for small colleges.
DSAP – Data Structures + Algorithms = Programs. Algorithm materials and programming problems from informatics contests.
ICFP Programming Contest – Annual programming contest held in conjunction with International Conference on Functional Programming. Accepts submissions written using any programming language.
iDevGames : uDevGame Contest – An annual event that promotes game development on the Macintosh computer.
International Contest for ICCS – Programming contest disseminated by the Nalini Foundation in five categories: computation, simulation, graphic patterns, words, mind benders.
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.
The International Obfuscated C Code Contest – A contest to write the most obscure/obfuscated C program.
Internet Problem Solving Contest – Online programming contest for teams, open to anyone.
Internet Programming Contest – Duke University sponsors a programming contest that takes place in real-time over the internet.
JRobots – Java-based Robots Programming challenge.
The 1KB 6502 Programming Contest – Contest programming on the 6502 microprocessor. Valid programs must run on the 1 KB ram Microtan65.
Loco Mummy (Low Cost Multimodal Interface Software Contest) – Contest calls for new communication helper software between humans and PCs or PocketPCs. Free. Open to all. Various prizes.
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.
MacHack – Annual Macintosh programming contest and convention.
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.
MiniGame Compo – Contest to write a fully playable game in under 1K or 4K. Open to games for classic 8-bit computers.
OpenChallenge – 3-monthly challenge. Every three months the innovations are published under GNU GPL/FDL licenses.
OpenECG Programming Contest – A programming contest for Electrocardiography record handling applications and tools, using the SCP-ECG Standard.
Programmer of the Month – A periodical problem solving contest for programmers from all over the world. Active forum.
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.
Project Euler – A series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve.
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.
RoboCom – An online game for programmers. Participants determine how robots will move, communicate with others or even build more robots.
The Robot World Cup Initiative – Soccer playing computers.
RoShamBo Programming Competition – A Rock-Paper-Scissors programming competition.
Sphere Online Judge – Problemset archive, online judge and contest hosting service accepting solutions in C, C++, Pascal, Java and other languages.
Swiss Olympiad in Informatics – The SOI is a national programming contest for people up to 20 years in age.
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.
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.
Upstate Collegiate Programming Contest – Programming contest for students of Upstate New York colleges and universities.
URCSC Computer Programming Contest – Programming contest sponsored by the University of Richmond, Computer Science Club.
Valladolid Programming Competition – An online contest with information about writing competitions, questions, and an online judge.