* [Chess Library v2.6.0](https://github.com/CorentinGS/chess) – Go chess utilities offering move generation, validation, PGN and FEN serialization, UCI interoperability, opening books, and board image generation optimized for performance.

* [Lichess PGN Viewer v2.6.4](https://github.com/lichess-org/pgn-viewer) – PGN viewer widget designed for fast loading, browsing games, and accessibility with ARIA support.