Configure the layout and format of content and data presented to site visitors.
Block Sidekick provides an intuitive and interactive page authoring drag-an-drop experience for content authors and site administrators.
Smart Title (smart_title) makes content entity labels visible and configurable on Field UI forms.
smart_title
It's a common problem of site builders that the label of an entity should be configurable on the entity view display configuration form.
With Smart Title module, content entity labels are visible and configurable on Field UI forms.
The Endroid QR Code module enables to generate a QR Code image.
It provides a field formatter, field widget, field type plugin.
The built-in Book module has a couple of useful blocks but they were not what I needed. Here are a few more blocks that you might find useful as well.
This module allows you to specify a specific number of results to show on the first page of your view, which can be different to other pages.