Sidebar annotation and commenting with text highlights, hover previews, Markdown comments, image support, sidebar management, export, and backup features.
Markdown/PDF handwritten annotation with core pen, highlighter, eraser, color, width, undo, redo, save, and exit tools. Pro-only tools are not included.
Markdown/PDF handwritten annotation with pen, highlighter, eraser, color, width, undo, redo, save, and exit tools, plus PDF text selection annotation (highlight, underline, strikethrough, and notes).
Local structured data in .duowei files, with table, kanban, and gallery views plus a Bases-compatible layout.
A local-first, Notion-like structured block workspace with an independent Obsidian view.
A cozy local-first life logging and memory vault supporting text notes, photos, videos, voice recordings, attachments, timeline, calendar, media gallery, 3D roaming, and tag search.