Open Source ChromeOS Chess Games
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Chess Games for ChromeOS
Browse free open source Chess Games and projects for ChromeOS below. Use the toggles on the left to filter open source Chess Games by OS, license, language, programming language, and project status.
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ChessX
Chess Database and PGN viewer
A free and open source chess database application for Linux, Mac OS X and Windows.">
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Jin is a Java client for various chess servers. It currently supports the Internet Chess Club (chessclub.com) and the Free Internet Chess Server (freechess.org) but is designed to be able to support any chess server.
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Eagle Mode
Zoomable user interface (ZUI) with file manager, file viewers and more
Eagle Mode is a zoomable user interface (ZUI) with file manager, file viewers, games, and more. This project is about a futuristic style of human-computer interaction, where the user can visit almost everything simply by zooming in. It features a portable C++ toolkit API for developing such ZUIs, and it features the Eagle Mode application, which provides a virtual cosmos with plugin applications. The most important one is the professional file manager with its rich, scriptable command set. It integrates file viewers for most of the common file types, as well as an audio and video player. Furthermore, the virtual cosmos contains a chess game, a netwalk game, a 3D minesweeper game, a multi-function clock, a stock watchlist, some fractals, and a Linux kernel configurator in form of a kernel patch.">
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Scidb
Chess Database Application
Scidb is an open-source chess database application for Windows, Unix/Linux. It is a new development inspired by Scid.">
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chessPDFBrowser
Chess application whichs allows working with chess PDF books and PGNs.
Chess application which allows working with PDFs and PGNs. You can work with the chess games of the PDF and edit their tree of variants. Graphical environment. Standard PGN TAGs. PGN comments. Ocr like (Fen string detection from chess board position images). Connection to Uci chess engines (like stockfish). Position analysis, full game analysis. You can now play games against uci engines. pdf2pgn command line command included. Detailed documentation. Multilanguage currently support for English, Spanish and Catalan. Dark mode option. JDK-17 compatibility -
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Popeye is a chess problem solving and testing software with strong support for fairy chess and heterodox genres. For more information cf. topic "Popeye (chess)" on http://en.wikipedia.org/
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Java Open Chess is a project written in Java in NetBeans IDE. There is possibility to play for 2 players on local computers and via network connection. There is also an option to play versus quite weak computer oponent. Stronger computer oponens will be implemented soon. ATTENTION: Requires Java 1.8 or higher!
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ChessDB is a free open-source chess database for Windows, Linux, Mac OSX and most UNIX and UNIX-like operating systems. ChessDB is based on code from Scid http://scid.sourceforge.net/ - a project for which there have been no updates for several years. In
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Mobile Chess (for Java ME) and Flash Chess (for Web) with Strong Chess AI, see http://mobilechess.sourceforge.net/. Java Applet Chess and Ajax Chess are also available. Mobile Chess is sponsored by Chess Wizard now, see http://www.chess-wizard.com/.
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A J2ME MIDlet implementing a Portable Chess Board to run on a Java enabled Cell Phone. In order to download the binaries and/or the source files please follow the Files->MobileChessBoard link above.
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JavaPairing is a tool to manage a chess tournament. It is pure Java and can run as is on any platform, including Windows, Linux and Macintosh (JRE 1.6 or more required). It is free and open source under the GPLv3 license. Dutch, Dubov, r.r., Amalfi
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belofte chess
A promising chess program
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 2.1.9 and has been released on 19/08/2025. 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 clone the git repository. Compiles and Runs on 32/64 bit on Windows, Mac, Linux, Android (ARM/x86) and Raspberry. Released under GNU v2 license. (means free to copy, free to modify, free to use, ...) Works fine with Arena/Cutechess/BanksiaGui/Winboard/Xboard/... -
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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.
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This is a free, open source calculator of chess rating for tournament players. It has features like saving calculation with details. It has a multiplatform support thanks to Qt library, versions for Linux and Windows are released.
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A 3D and portable chess game with an embedded Artificial Intelligence and some pretty good graphics.
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Chess Editor is a pure Java tool to create, edit and view chess games in the Portable Game Notation (PGN) format. The tool integrates with externally specified chess engine programs to provide analysis of board positions.
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JChessBoard is a chess game written in Java that can be connected to another JChessBoard via a direct TCP/IP connection. No Internet Chess Server is required for playing. It also became a full featured PGN viewer and editor.
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It is a Shogi - Japanese Chess - game made in Java, where you can play against one of 3 AI's of your choice. Or against a friend.
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Strong Java Chess Engines Game
SJCE - free portable cross-platform graphical chess game, 100% Java.
SJCE - Strong Java Chess Engines, free portable cross-platform graphical chess game, 100%-pure Java. Support with including many best free/open-source java xboard/uci chess engines. It is possible to play both White and Black. It is possible to play Human to Human, Human vs Engine, Engine vs Engine. Simple and intuitive GUI - Graphical User Interface. Tested on Windows/Linux. Need jre1.8 - https://www.oracle.com/java/technologies/javase/javase8-archive-downloads.html. Source - https://github.com/harp077/sjce If you like this - put a star on https://github.com/harp077/sjce/ for support project please. -
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BagaturChess
Java Chess Engine
This is UCI Chess Engine writen in Java. Since version 1.4 (inclusive) the project was moved to https://github.com/bagaturchess/Bagatur -
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Provides interface for working with chess games in PGN (use libpgn) make moves, and get result
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SANKit
Read and write PGN format and test moves for legality.
SAN Kit was made public in 1993 by Stephen Edwards, the inventor of PGN Chess notation. The original code is in C, and with few comments quite cryptic. In addition, the original author's style was quite quixotic, making it even more difficult to read. This code is now reformatted to modern standards, adds support for NAG codes and comments, and has a "non-CLI" mode for inclusion in chess playing programs. The code has gone through extensive analysis using the llvm/clang compiler and reports no issues at this time. To use the code as a "framework" you would undefined "CLI". In addition, a small C++ program is included that takes as input a file of one or more PGN records, and outputs pure pristine PGN records as output. In addition to flagging errors at the move level, the program provides three boards around the move. NOTE: plan on budgeting a fair amount of time to read, re-read, and experiment with the documentation and cryptic uncommented code. You are on your own -
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Virtual Chess Clock
A simple and free chess clock software.
Virtual Chess Clock is a chess clock software: it can be used to simulate a chess clock on computer (typically a laptop). Virtual Chess Clock is designed to be easy to use. It is free, open-source and multi-platform. -
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Chesspresso is a chess library entirely written in Java. The main focus is to deliver high-level interfaces and efficient algorithms to programmers of Java chess software.