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MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
Elo Calculator - strictly implemented FIDE Rating Regulations
...There is a Windows only version (Windows 7 or higher, .NetFramework 4.7.2 or higher (you don't need to worry about this with a current Windows 10 or 11)) ... and a Java version (Java 17 or higher).
Tic Tac Toe The Return is a simple graphic game written in Java. It is a port of mptris to the Java platform. mptris is a text-mode tic-tac-toe game written in C language. I wrote both to get some confidence with the programming languages. In the Download section (Files) you can also find the sources of the Windows Phone 8 port and of the ancient console mode versions.
Moved to github: https://github.com/kesara/checkersplus
Client server based, platform independent, multi player American Checker (English Draughts) game. With J2EE based server, Java Client and a Windows.NET client.
LeasySudoku is a Sudoku game software for all user. It can revolve and generate different kind of board (from a high level to an easy level). The desktop environnement is based on Windows .NET 2.0 with a nice design which can help all users during gaming
SZChess will be suite of chess applications covering every aspect of chess using computers. The development will be carried out in Java to ensure maximum portability.