Here’s a categorized list of the main Gutenberg core blocks as of WordPress 6.7:
Text and Media Blocks
core/paragraph – Paragraph text
core/heading – Headings (H1–H6)
core/image – Image with optional caption
core/gallery – Image gallery
core/video – Video embed/upload
core/audio – Audio upload/embed
core/file – File download link
core/media-text – Side-by-side media and text
core/quote – Pull quote
core/pullquote – Stylized quote
Layout Blocks
core/group – Group container (for layout/styling)
core/columns – Multiple columns container
core/column – Single column inside columns
core/cover – Image/video background section
core/stack – Vertical layout block
core/row – Horizontal layout block
core/spacer – Adds vertical space
core/separator – Horizontal rule/line
core/divider – More stylized separator (variant)
Content and Widgets
core/list – Bullet or numbered list
core/table – Table block
core/code – Preformatted code
core/preformatted – Preformatted text
core/html – Custom HTML
core/shortcode – Execute shortcodes
core/buttons – Container for multiple buttons
core/button – Single button
core/embed – Generic embed (YouTube, Vimeo, Twitter, etc.)
Site & Theme Blocks (Full Site Editing / block themes)
core/site-title – Displays the site title
core/site-logo – Displays the site logo
core/site-tagline – Site description/tagline
core/query – Query loop block (for posts)
core/post-template – Template for query items
core/post-title – Post title
core/post-content – Full content of the post
core/post-excerpt – Excerpt/summary
core/post-date – Post date
core/post-terms – Categories, tags, or custom taxonomies
core/post-author – Post author
core/navigation – Full menu block
core/navigation-link – Individual link
core/page-list – Auto-generated page links
core/home-link – Link to homepage
core/loginout – Log in/out link
core/template-part – Load reusable template part
core/site-editor – Site editor placeholder
Utility Blocks
core/more – Read more link (for excerpts)
core/nextpage – Page break for paginated posts
core/archives – Archive links
core/categories – Category list
core/latest-posts – List of recent posts
core/latest-comments – Recent comments
core/tag-cloud – Tag cloud
core/search – Search field
core/login-form – Login form block
core/rss – RSS feed display