JetGuten is a top-notch addon for Gutenberg editor, which provides the set of content blocks with intuitive visual stylization.
Demo https://codecanyon.net/item/jetguten-blocks-set-addon-for-gutenberg-editor/22438220
Downloadhttps://www.filecad.com/9Qgb/JetGuten-v1.0.0---Blocks-Set-Addon-for-Gutenberg-Editor.rar