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.
Diplomacy is a popular turn based strategy game in which you battle to control Europe; to win you must be diplomatic and strategic. webDiplomacy lets you play Diplomacy online. Official game server: http://webdiplomacy.net/
netjatafl is a hnefatafl server and client system, allowing tafl players to join in networked games of tafl. Using a standard network protocol, new clients can be written for any platform. Clients in C++ and PHP/Javascript are included.
Chessd is a chess XMPP based server. It uses a web interface and a BOSH server, that runs between interface and the chess server. Visit http://xadrezlivre.c3sl.ufpr.br to see it in action.
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.
a customizable/themed online web-based chess server software for playing chess with other people. PHP based using MySQL. forked from WebChess v0.8.2. uses http://sourceforge.net/projects/phpchesslib
A web-based html chat system. Allows users to chat in multiple rooms, private chat, 2 player games (checkers, tictactoe, chess, etc..)
all without any client requirements other than html. Currently server requirements are PHP4 & apache & cron.