Folio

Folio is a small macOS app for reading local Markdown files: READMEs, notes, and the specs and plans that AI coding tools produce, without opening an editor. It renders GitHub-flavored Markdown with syntax-highlighted code, live-reloads as files change on disk, and adds a folder sidebar, table of contents, and in-document search. Seven themes each pair a display face with a reading face and one loud accent, and you choose separate light and dark themes that follow the system. Built with Tauri 2 and React, and read-only by design.