It's a Beaver Builder's extension. Included modules Classic Divider, Simple Icon, Spacer Gap to any Beaver Builder version.

A gradient with a little noise to it, this spacer block will add visual interest to your posts and pages.

Gap Block for new WordPress Block Editor allow you to add responsive Gap / Spacer to your website and customize it.

Adds a spacer button to the WYSIWYG visual editor which allows you to add precise custom spacing between lines in your posts and pages.

An ultimate collection of addons for SiteOrigin. SiteOrigin Widgets Bundle is required.

Easily add vertical spacers to space out your blocks within the upcoming Gutenberg editor.

Add white space between blocks and customize its height for each device.