The Lichess analysis tree — turbocharged, optimized, and packaged as a standalone npm library with full PGN import/export.
Your chess, in plain files — a self-hosted chess workbench: engine analysis, studies, notes, games, and book-fed puzzles
Offline-first chess analysis desktop app for Windows: native UCI engines, an offline opening explorer, and move sounds.
You already know 1.e4. This tells you who to blame for it.
Native macOS chess database — a lightweight ChessBase alternative. Browse, annotate and analyze PGN collections with a bundled Stockfish. Swift + Rust.
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