so-widgets-bundle

The SiteOrigin Widgets Bundle gives you all the elements you need to build modern, responsive, and engaging website pages. Using the Widgets Bundle, you can quickly and effortlessly add buttons, sliders, heroes, maps, images, carousels, features, icons, and so much more. Maintained by siteorigin on GitHub, where it has earned 97 stars from the community.

It's actively developed around block-editor, page-builder, siteorigin-widgets-bundle, and is a solid reference for anyone building with these tools.