This independent macOS app aggregates multiple OpenAI models for natural language chat, real-time web search, advanced reasoning tasks, and text-to-image generation in a single interface.
PVChess: Chess Tutor by Jianfeng Wu offers AI-guided practice, strong computer opponents, and interactive lessons for openings, tactics, and endgames. It includes two classic chess books for studying strategies and annotated games on iOS and macOS.