shayne

This plugin blocks everyone but the admin from accessing the WordPress Admin. It will redirect the user to your 404 error page if they do not have access to the admin. Your theme will need to have a 404 error page setup.

ST Admin Protection

This plugin blocks everyone but the admin from accessing the Wordpresss Admin

gVectors Team

This plugin allows to display custom fields on posts/pages and other content types. Puts custom fields as a shortcode in post/page content. The easiest way to display custom fields with different beautiful views. wpView supports WordPress native custom fields and almost all popular custom field plugins, such as:
<ul>
<li><a href="https://wordpress.org/plugins/custom-field-suite/" rel="ugc">Custom Field Suite</a></li>
<li><a href="https://wordpress.org/plugins/advanced-custom-fields/" rel="ugc">Advanced Custom Fields</a></li>
<li><a href="https://wordpress.org/plugins/types/" rel="ugc">Toolset Types</a></li>
<li><a href="https://wordpress.org/plugins/wck-custom-fields-and-custom-post-types-creator/" rel="ugc">WordPress Creation Kit</a></li>
<li>Custom Content Type Manager</li>
</ul>
Custom Field Shordcode Examples
<pre><code>[wpview type="all"] - All custom fields in a single table
[wpview type="text" view="Country"]
[wpview type="textarea" title="Country" view="left_border"]
[wpview type="wysiwyg" title="Company Info" view="bordered_box"]
[wpview type="file" title="Documentation File" view="only_link"]

[wpview type="...." title="..." view="..."]
</code></pre>
wpView has nice views for almost all custom field types:
<ul>
<li>Number,</li>
<li>Email,</li>
<li>WYSIWYG,</li>
<li>Date,</li>
<li>Color,</li>
<li>Select,</li>
<li>Checkbox,</li>
<li>True/False,</li>
<li>Hyperlink,</li>
<li>User,</li>
<li>Relation (posts),</li>
<li>Page Link,</li>
<li>Post Object,</li>
<li>Images,</li>
<li>Audio,</li>
<li>Category,</li>
<li>Post Tag,</li>
<li>Google Map</li>
<li>etc…</li>
</ul>

Display Custom Fields – wpView

Inserts custom fields as shortcode. Allows to display custom fields with different views on front-end. Uses popular custom field creator plugins.

ST Admin Protection vs Display Custom Fields – wpView