Linearis: source-line gutters on the left or right of your notes in editor and reading mode.
Live Word-style numbering for Heading 1–6 with presets and custom patterns (visual by default).
Open Mermaid diagrams in a zoomable lightbox with a bright white canvas — works on desktop and mobile.
Pagina: export notes to PDF on desktop, with page size, margins, headers, and footers.
Live in-note table of contents from a conspectus code block, with configurable max heading level.
Turn quaestio code blocks into interactive multiple-choice questions in Reading view, with answers saved in the note.