Block Gallery - WordPress gallery blocks built exclusively for Gutenberg
Elementor - Elementor is a front-end drag & drop page builder for WordPress.
Qubely - WordPress Gutenberg blocks and page builder
Divi Theme - A flexible WordPress theme with the power of Divi Builder built in.
Drop It for Gutenberg - 1 click image inserts from Unsplash or Giphy, for Gutenberg
Visual Composer - Visual Composer is an advanced website builder for WordPress.