How to attach multiple fields into one field.
Fieldgroup module groups fields together. It comes with wrappers like vertical tabs, horizontal tabs, accordions and fieldsets.
In this tutorial we create a Grid of articles with title, image thumbnails, trimmed body and read more link to the content.
How to add conditional fields for forms.
Edit module provides in-place editing for fields on any entity. This module is in Drupal 8 core.
This tutorial shows how to limit reference field options with Reference Field Option Limit module. Doesn't work with autocomplete.
This tutorial shows how to use Editablefields module to edit nodes on node's display page and within views.
With iToggle you can create nice On/Off type toggles for boolean values.