Marco Canestrari

Plugins Genius allows you to choose which plugins should be active in the frontend and in the backend. 
Some plugins affects only the frontend, some only the backend of WordPress and some of them make WordPress slow.
Now you can tune your WordPress site, actvating plugins only where you need.
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<li>Author: <a href="http://www.marcocanestrari.it/" rel="nofollow ugc">Marco Canestrari</a></li>
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Plugins Genius

Role-based active plugins manager. Choose which plugins should be active for each WordPress role in the backend and in the frontend.

Collins Agbonghama

Simple plugin for disabling admin bar and preventing access to WordPress dashboard based on a user’s roles.
It is that simple 😀
<h3>Plugins you will like:</h3>
<ul>
<li><a href="https://fusewp.com/" rel="nofollow ugc">FuseWP</a>: Connect wordPress to marketing platforms and sync users to your email list.</li>
<li><a href="https://wordpress.org/plugins/wp-user-avatar/" rel="ugc">ProfilePress</a>: A simple yet powerful eCommerce and paid membership plugin for accepting one-time and recurring payments and selling subscriptions via Stripe & PayPal, restrict content and control user access. <a href="https://profilepress.com/" rel="nofollow ugc">Learn more</a></li>
<li><a href="https://mailoptin.io/" rel="nofollow ugc">MailOptin</a> – The best WordPress email optin forms, email automation & newsletters plugin in the market.</li>
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Admin Bar & Dashboard Access Control

I've used 2 plugins before for this stuff. This excellent little plugin makes it really easy, all in 1 plugin. Does just what it needs to and does it well.

My only complaint: it adds a new sidebar item in the Admin. It really should have it's settings under Settings or Tools sections. Only plugins with multiple pages of settings, and that need to be accessed regularly, should add more height to my sidebar. If that gets fixed, I'll change my review to 5 stars! I know it's a bit nit-picky of a complaint. I guess it shows how good this little plugin is, when that's the only thing wrong.

Works great, does the work of 2 plugins elegantly!

Disable admin bar and control users access to WordPress dashboard.

Plugins Genius vs Admin Bar & Dashboard Access Control