Brian

ThemeBoy

Displays an interactive visual sitemap in admin. A nice touch for sites delivered to clients, and useful for managing a site as it gives a visual overview of all pages, tags, and categories.

Visual Sitemap

Display an interactive visual sitemap of pages, tags, and categories in admin.

psychopsia

You can see a overview of all field groups with the configuration of each field.
In <code>Options</code> column will include field properties that is not empty. 
If a field is created but is not found, <code>type</code> column will be marked in red.
This plugin requires ACF version 5 or above to work properly.
Repository:
https://github.com/nopticon/acf-overview/
Preview:
https://raw.githubusercontent.com/nopticon/acf-overview/master/doc/acf-overview.jpg
<h4>Compatibility</h4>
This ACF field type is compatible with: 
* ACF 5

ACF Overview

ACF Overview allows to quick view the configuration of all field groups

Visual Sitemap vs ACF Overview