Modules

Claims to streamline the layout builder UI for adding blocks but it isn't clear how.

API for custom entity clone forms.

Includes an example module for articles nodes and image style config.

See Entity Clone for drupal core entities.

Select entities to use a "Replicate" tab, which clones the entity.

Simple configuration UI for the Replicate module. 

Changes Replicate UI behavior to save cloned entities as unpublished and redirect to the edit form instead of view.

Create custom entity types and bundles via UI.

Very useful when you only need a custom type that can have bundles and fields.

Format a field using views.

Pass entity id, field values, and other arguments to the view.

Provides configurable search pages at /search/user and /search/node.

Make sure your permissions are set correctly to avoid leaking information.

Provides roles/module filter for permissions admin ui.

Minimal search filter for permissions admin UI.

Adds role/module filter and module group sidebar.

More robust than Filter Permissions, Permissions Filter modules.