Chess Engines

Browse free open source Chess Engines and projects for Windows and BSD below. Use the toggles on the left to filter open source Chess Engines by OS, license, language, programming language, and project status.

  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
    Start Free
  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

    Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.

    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
    Sign up for free
  • 1
    jose is a graphical Chess tool. >>> moved to https://peteschaefer.github.io/jose <<< You can store chess games in a database. You can view and edit games (including variations and comments). You can play against a plugged-in chess engine and use it for analysis. Features 3D board view.
    Downloads: 15 This Week
    Last Update:
    See Project
  • 2
    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.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 3
    Cassandre is an extensible chess engine written in C++, it is Winboard/XBoard compliant.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 4
    BagaturChess

    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
    Downloads: 1 This Week
    Last Update:
    See Project
  • The All-in-One Commerce Platform for Businesses - Shopify Icon
    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

    Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
    Learn More
  • 5
    Chess Engine
    Provides interface for working with chess games in PGN (use libpgn) make moves, and get result
    Downloads: 1 This Week
    Last Update:
    See Project
  • 6
    Frittle
    Frittle is an open source amateur Java Chess Engine that supports the XBoard/WinBoard Chess Engine Communication Protocol (version 2).
    Downloads: 1 This Week
    Last Update:
    See Project
  • 7
    Redqueen Chess Engine
    Redqueen is an UCI (Universal Chess Interface) only compatible chess engine written in C++.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8

    JChess

    The Java Chess Engine

    This library is an attempt to create a flexible chess engine using the Java programing language. The main diference than others chess engine's is that it is only a library, and it can be attached to any program, including a web application. If you are interested to contribute please contact me. Francisco Rafael Del Roio <francipvb@hotmail.com>.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 9
    An advanced GNU Java Chess Engine
    Downloads: 1 This Week
    Last Update:
    See Project
  • Enterprise and Small Business CRM Solution | Clear C2 C2CRM Icon
    Enterprise and Small Business CRM Solution | Clear C2 C2CRM

    Voted Best CRM System with Top Ranked Customer Support. CRM Management includes Sales, Marketing, Relationship Management, and Help Desk.

    C2CRM consists of four modules that integrate to provide a comprehensive CRM solution: Relationship Management, Sales Automation, Marketing Automation, and Customer Service. Only buy what each user needs.
    Learn More
  • 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: 1 This Week
    Last Update:
    See Project
  • 11
    Braincrack is a chess engine I wrote in my high school time. It is capable of being used with the Winboard protocol and via Winboard->UCI conversion tools within professional chess GUIs like Chessbase.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Brainless is a winboard/xboard chess engine developed in C++.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    This is an easy to use chess engine written in C++ with a very simple interface
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    CINAG is an UCI computer chess engine. This is a module which thinks about the game and try to find the best move for each position. Our goal is to create a quite strong opponent by using state of the art AI technics.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15

    Cave Chess

    A Java chess engine using xboard protocol

    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    An easy to understand chess engine.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17

    ChessApplication

    A chess application : game with human and/or computer

    A chess application in order to play against computer or to play with another human. No network playing is planned (no FICS). This program uses the Carballo Chess Engine in order to check moves, and the Stockfish engine (that you must download on their website) in order to generate the computer moves.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    ChessShell API

    ChessShell API

    Extensive Java chess database libraries.

    Extensive Java chess database libraries. Native game database, native position database, pgn database reader.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Yet another chess engine.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    A chess engine to use with chess software or chess servers written completely in Java.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Java Program of a machine which plays chess: it recognizes the chessboard, the position, the move of the opponent, and asks an external Chess Engine to reply to the opponent move. it is connected to a real robot which has an arm to manipulate the pieces.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    KCChess -- yet another xboard-compatible chess engine.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    KMT Chess is a chess engine. It supports Winboard Chess Engine Protocol and can be used in combination with Winboard or Arena user interfaces. KMTWinboard package includes WinboardX interface and a opening book, providing a much better user experience.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    Manado Chess - XBoard and UCI compatible chess engine
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    "Mentally Challenged" is an XBoard/WinBoard compatible chess engine written in Java.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • Next