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A console/text based chess program with XBoard/CECP and UCI API, available on all major platforms. You may need a graphical chess interface to use it. Please refer to README.md in the files section for installation instructions.
The last stable release is 2.2.0 and has been released on 13/04/2026.
Belofte 0.2.0 till 0.9.20 (c/c++): Xboard 1 & 2 (CECP) - Linux/Unix/(Windows)
Belofte 2.1.1 and up (c++11) : UCI and Xboard 2 - Linux/Windows/Mac/Android/...
For access to code, please...
JSettlers2 is a web-based version of the board game Settlers of Catan written in Java. This client-server system supports multiple simultaneous games between people and/or AI bots. Originally written by Robert S Thomas as an AI dissertation (http://sourceforge.net/projects/jsettlers).
The active source code is hosted at https://github.com/jdmonin/JSettlers2 including full history; the sourceforge CVS is historical up to 2012-09-28.
Dragon Go Server is a web-based server for playing go (a.k.a baduk, weichi and igo). It's intended as a replacement for play-by-email, where the server keeps tracks of the moves. Tools used are php and mysql.
The openfibs project aims to develop a library to be used by client software to access the First Internet Backgammon Server (fibs.com) to enable graphical end user clients, computer controlled bots, and statistical tools.
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The Silver Games Project is a collection of open source, multiplayer networked games being developed in Silverlight. All games are tied together with a common lobby server featuring a global ladder ranking system.
Quasimodo is a chess interface for playing chess games against other humans or chess engines, analyzing chess games, managing chess databases and playing games over the internet (on Free Chess Internet Server).
Java based client / server online games engine & API for easy creation/running of real-time multiplayer games. Games include Battleships, Camelot, Checkers, Chess, Connect 4, Dots, Go, Octagons, Texas Hold'em Poker, Reversi, Spades, Tetris & Tic-tac-toe
A PHP Web Application that you can install on your own web server. It allows you to play chess with other users across the internet or sitting at the same screen. It only permits valid moves and can automatically detect check and checkmate status.
The objective of this project is the advancement of Diplomacy in the electronic realm by producing an XML Diplomacy data standard and a suite of server and client tools to facilitate Diplomacy play over the internet.
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NetDare is a Java network game system. The project consist in APIs, a server, a client, a PHP CMS (Content management System) and a game sdk to help the development or integration of a game wich altready exist.
Math game where up to 4 students can play online against each other. By moving their figurines around a colorful pseudo 3D board, players answer math questions and can play tricks against their opponents. Client and server distributed under Affero GPL 1.
This projects provides an online server and web user interfaces for playing multi-player board games in the internet. Features contain extensibility for adding additional games, user management, competitions and ranking ladder systems.
jIBS is a clone of the well-known Backgammon server FIBS. It allows Internet users to play backgammon in real-time against real people (and even some bots).
Most players use a graphical interface to allow the easy 'point and click' approach
A Java-based server for the Japanese chess variant "Shogi". Features both a Java-based client and a Java-based server. The idea is to emulate the functionality of the popular Go server IGS (ability to play, observe, store, and review games in a group).