Radek Mezulanik

You can lock whole website by setting it under maintenance.
Features:
<ul>
<li>
Select roles who applies maintenance mode
</li>
<li>
Set a redirect to login page
</li>
<li>
Edit a maintenance message in wysiwyg editor including media
</li>
</ul>
<h3>Sponsorship</h3>
<a href="https://www.productboard.com" rel="nofollow ugc">Productboard</a>

Zedna Maintenance Mode

Set you website under maintenance to lock content while development.

thenbrent

Using custom post types on your site?
Install this plugin to control which roles can publish, edit and delete posts of each custom type.
For this plugin to work, your custom post type must meet a number of requirements as outlined in the <a href="https://wordpress.org/extend/plugins/map-cap/faq/" rel="ugc">FAQ</a>.

Map Cap

Control who can publish, edit and delete custom post types.  Silly name, useful code.

Zedna Maintenance Mode vs Map Cap