# Extensions > ⚠️ TODO: This is old content. By default, the editor will only support paragraphs. Other nodes and marks are available as **extensions**. You must install `tiptap-extensions` package separately so that you can use basic Nodes, Marks, or Plugins. An extension is usually tied to a Command. The official set of commands are part of the [`tiptap-commands`][@npmjs-tiptap-commands] package. ## Default extensions Starterkits have defaultExtensions, that include ... ## A minimalist set of extensions Document, Paragraph, Text ## List of extensions * Bold * Italic ... ## Community extensions How does that work? ## Your custom extensions Link to the Guide [@npmjs-tiptap-commands]: https://npmjs.org/package/tiptap-commands