Ferrite is a native Markdown editor written in Rust and egui that renders Mermaid diagrams (flowcharts, sequence, class, state, ER, Gantt, pie), visualizes CSV/TSV with column coloring and sorting. It explores JSON/YAML/TOML in a collapsible tree, integrates visual Git status indicators in the file tree, allows distraction-free editing modes (Zen), synchronizes scrolling in split view, supports more than 25 syntax highlighting themes, light/dark application themes, search and replace with regular expressions, automatic detection of multiple encodings and interface languages.