Consolidated view of all your chess games from chess.com, lichess, grandmaster games or custom pgn.

A tool to study chess openings.

A program that will produce a graphical sunburst chart of chess openings from the PGN that is provided to it

A java chess library for generating legal chess moves, determining check / mate / draw, determining the chess opening. Supports SAN, FAN, LAN, UCI and PGN.

UCI chess engine derived from Stockfish with added support for for various chess book formats

Statistical analysis on how opening variations transpose into each other in pro games on Lichess

Website to train chess openings with spaced repetition

Chess trainer on PGN opening trees using tkinter GUI. Shows moves with arrows. Can read but also edit and save PGN. A small automatic PGN creator is also available.

Sorts games; add eco, opening and variations names; and generate round-robin and swiss tables.

Desktop app that help you learn chess openings and openings variations

A curated list of awesome chess resources, tools, engines, and content.

Search, manipulate and get informations on chess openings

A comprehensive, FEN‑keyed chess opening database with 12k+ named variations and transitions.

Library with a fully-featured interface to facilitate chess opening training with spaced repetition

A chess .pgn parser, .pgn extractor, adding a chess opening book with data visualization and web scraper. Separating projects from a private repo of mine.

Simple flashcards app for studying chess positions

Read chess opening books in polyglot .bin format and lookup ECO data

❄️ Built in React that helps people learn different chess openings in an interactive way.

Fast, visual chess opening research with master games, transitions, and position analysis.

♞ OpenChess - Find your chess opening