cyberWriter

A native macOS Markdown editor with live PDF preview, AI workspace, vault support, LaTeX, Mermaid diagrams, and zero external dependencies. Integrated Apple Intelligence and local and cloud API AI services, lifetime license. Knowledge graph, chat with your vault and embeddings built right into the app, no insecure community plugins needed, the app is fully sandboxes and available through the Apple App Store and direct sale through Lemon Squeezy, with a full feature free trial built in.