Showing 136 open source projects for "java open source"

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  • 1
    Stockfish

    Stockfish

    UCI chess engine

    ...Read the documentation for your GUI of choice for information about how to use Stockfish with it. Stockfish is a 11-time winner of the Top Chess Engine Championship. Stockfish is open source (GPLv3 license). That means you can read the code, modify it, and contribute back. You can use Stockfish on your computer or on your iOS or Android device. So you can get world-class chess analysis, wherever you are. The Stockfish engine features two evaluation functions for chess, the classical evaluation based on handcrafted terms, and the NNUE evaluation based on efficiently updatable neural networks.
    Downloads: 128 This Week
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  • 2
    Scid
    Scid is a chess database application (cross-platform, for Unix/Linux and Windows) with many search and database maintenance features.
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    Downloads: 969 This Week
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  • 3
    ChessX

    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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    Downloads: 482 This Week
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  • 4
    Eagle Mode

    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...
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    Downloads: 35 This Week
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  • 5
    Nimzo-3d-Chess-GUI

    Nimzo-3d-Chess-GUI

    A free Chess program for Windows with a large set of features

    The Nimzo_3d GUI is a chess program for Windows 7 - 11 It is an enhanced version of the Tarrasch Chess GUI written by Mr Bill Forster, with many additional features. It has a simple, easy to use interface, so it is ideal for novice players or inexperienced computer users. It also has more advanced features for expert users. So if you just want a casual blitz game against the computer, or to automatically analyse one of the famous games from chess history, it can perform these...
    Downloads: 9 This Week
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  • 6
    Spert Chess
    Download and extract, then run Spert file. For Windows 32-bit systems, run Spert x86 file.
    Downloads: 1 This Week
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  • 7
    belofte chess

    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...
    Downloads: 7 This Week
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  • 8
    MinkoChess
    MinkoChess is a multiplatform chess engine written in C++.
    Downloads: 1 This Week
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  • 9
    Monk
    Free client-based chess game engine with its own board. Written in wxDevC++. Latest release of this software is now available at https://e2-e4.org/en/ as a website' bot program. Feel free to play with one online. Also recently was made an OpenGL version of the game. Added to "Files" as "monk_src_en.zip". Contains Windows application and complete sources for "wxDev C++".
    Downloads: 0 This Week
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  • 10
    olivechess

    olivechess

    a UCI chess engine

    OliveChess is a simple chess engine compatible with modern chess interfaces such as ChessBase products, Arena and XBoard/Winboard. The engine supports UCI and XBoard protocols. Note: in order to use it as an xboard engine you may need Polyglot tool to be installed first
    Downloads: 9 This Week
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  • 11
    XiangQi Wizard (Chinese Chess Wizard) is a powerful XiangQi (chinese chess) program, which supports UCCI engines. XQWizard Light is the Mobile version for Windows CE and Java ME. ElephantEye is the UCCI engine in XQWizard with strong AI.
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    Downloads: 41 This Week
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  • 12
    QtChess
    QtChess is a peer-to-peer chess program sporting a Qt/OpenGL interface. Please download releases at https://github.com/textbrowser/qtchess/releases.
    Downloads: 0 This Week
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  • 13
    Pgn2ltx is a simple converter that reads chess games in PGN format and outputs them to a LaTeX input file.
    Downloads: 2 This Week
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  • 14
    ChessTask is a frontend for easily creating chess tasks with LaTeX. The tasks are stored in a list which can be exported, either to a LaTeX input file, or to HTML files.
    Downloads: 0 This Week
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  • 15
    Fen2eps is a small console program that converts FEN (Forsyth Edwards Notation) strings to EPS (Encapsulated Postscript) files containing the chess board diagram.
    Downloads: 0 This Week
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  • 16
    dgtdrv aims to be a uci/xboard/crafty compatible interface (input engine) for the DGT Electronic Chess board on POSIX platforms. It relies on the dgtnix library.
    Downloads: 0 This Week
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  • 17
    Scidb

    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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    Downloads: 17 This Week
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  • 18
    chess777

    chess777

    Basic console interface for 3 player chess in a 7x7x7 cube.

    Allows for selection of pieces and highlighting of possible moves. If the player whose turn it is selects one of his own pieces, he may move it to a legal space.
    Downloads: 0 This Week
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  • 19

    Sunsetter

    Sunsetter, a chess, crazyhouse, and bughouse playing program

    A Bughouse/w24 and Crazyhouse/w23 playing program. C++ , Linux/Windows, GPL. Also available in precompiled packages to start playing right away.
    Downloads: 1 This Week
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  • 20
    Stockfish BC Compile
    Stockfish BC Compiled Chess engines, Compiled by Mohamed Nayeem
    Downloads: 0 This Week
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  • 21

    infiniteplay

    interface to play classic games (chess, checkers...) on PC

    For all games are available : - Solo play against computer (with various humanized ai) - Multiplayer play on the same PC - Network play in local networks and through the internet - Email play - Hall of fame - Load and Save at any moment of the game - Take back at any moment of the game
    Downloads: 0 This Week
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  • 22
    Redqueen Chess Engine
    Redqueen is an UCI (Universal Chess Interface) only compatible chess engine written in C++.
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    Downloads: 3 This Week
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  • 23
    CheekyChess

    CheekyChess

    A fast bot for chess.com

    This project aims to provide a fast chess bot able to recognize moves and respond to them via use of an external UCI-engine, such as - preferrably - Rybka 2.9. Check out a live demo here: https://vimeo.com/128428976
    Downloads: 0 This Week
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  • 24
    C/CIF

    C/CIF

    Compact/ Chess Interchange Format

    C/CIF is an interchange format for chess applications. This format is supporting all features of a chess application - PGN does not provide this - and can be used to transfer chess archives without any loss via an application independent format. C/CIF is supporting two formats: the binary format CCIF, and the human readable format CIF (in XML).
    Downloads: 0 This Week
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  • 25
    System for creating chess exercises compatible with the OS Chess Open Source Chess Exercises book series. The most recent book can be purchased at https://www.createspace.com/4806762
    Downloads: 1 This Week
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