Oryx

Oryx is a cross-platform native desktop application that serves as a fast markdown editor and viewer, code editor with syntax highlighting, and eBook/comic reader supporting multiple formats. It features a keyboard-centric interface with no menus or toolbars, supports CommonMark and GitHub Flavored Markdown plus math and extended syntax, offers multiple themes and PDF export, and focuses on performance and simplicity by working directly with files on disk rather than importing to vaults or libraries.