Chess study tools for club players
Caissa is chess software for club players. Prepare for tournaments, drill your opening repertoire, or analyze games with a modern engine, all running locally on Linux and macOS.
Import, organize, and search games in PGN format. Annotate positions, tag games by event or opponent, and search across your collection.
Solve tactical puzzles from real master games with instant feedback. Works offline.
Connect any UCI-compatible engine (Stockfish, Leela, etc.) for position analysis with multiple principal variations.
Build and drill your opening repertoire using spaced repetition. Caissa tracks which variations you struggle with and prioritizes them.
Download your Chess.com games directly into Caissa for offline review and engine analysis.
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macOS-only release. macOS is the only supported platform until requested by the community.
Initial release available for all operating systems.