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...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.
...The last stable release is 2.2.0 and has been released on 13/04/2026.
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/...
Blind Chess also known as "Dark Chess" (暗棋) or "Banqi" or Half Chess , is a two-player Chinese board game played on a 4x8 grid, or half of the xiangqi (Chinese Chess) board. This application is using Taiwan rule. AI is using basic minimax tree structure and some rules. Advanced algorithm such as Upper Confidence bounds applied to Trees and Monte Carlo Tree Search are NOT used. This app is single player vs computer only.
For English user, Christakis Giorgios made Software Requirements...
A JavaScript game library to quickly develop board games for the web
Board2D.js is a JavaScript library that allows you to quickly develop 2D board games for the web. It is extremely easy to use and contains a very rich API.
Download the ZIP, and extract it to a folder. Inside it, the "lib" folder contains the javascript library file. You can include it in your projects as-is. For an example of how to use the library, you can find two mini samples of tic-tac-toe and chess in the examples directory.
There is no API manual currently, but if you use an...
Easy playing java chess game, You can play against own written wow chess engine, or other users, rewind games forward and backward, easily restart again or if needed replay the game on demand. Attractive user interface and effects. If You like to You can see other games being played, linux,win
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.
Free, no-signup chess diagram generator. Paste a FEN, customize the bo
ChessViewer is a free, modern, browser-based chess diagram editor. Set up any position via drag-and-drop or FEN, customize the board, and instantly export high-quality images (PNG, JPEG, SVG) for books, blogs, or videos. No installation or account required.