Top 9 pgn open source projects

Fast non-allocating and streaming reader for chess games in PGN notation

A JavaScript library for batch analyzing chess games

Creates chess puzzles from chess games and positions

chess library for legal move generation, FEN/PGN parsing and more

An R package to read, write, create and explore chess games

Parse and create PGNs (Portable Game Notation for chess games)

A JavaScript/TypeScript library implementing the chess game rules and providing tools to read/write the standard chess file formats.

This program uses the lichess REST API to retrieve all the games of a user and transform them into a big PGN file that you can then import into your favourite game analysis tool (ie. scid)

A chess library for PHP.