Ben Lobaugh (blobaugh)

<ul>
<li>NOTE: Much of this functionality is built-into the user profile now. Be sure to look there before installing this plugin as it may no longer be necessary with your version of WordPress</li>
</ul>
As of version 3.3.1 of WordPress the toolbar is required everywhere when a user is logged in. 
This behavior is not always desired, especial during design phases of development. 
There may also be client requirements against having the toolbar show on the front. 
With this plugin you will be able to turn on/off the toolbar per user via the profile page *.
<ul>
<li>This functionality still in development. Currently it will remove the frontend toolbar only.</li>
</ul>

Remove Toolbar

Remove the new toolbar on a per user basis for both the front-end and back-end

DaisyPlugins

Daisy Admin Bar allows you to selectively hide the WordPress admin bar (toolbar) from the frontend based on user roles.
Features: 
– Select which user roles should have the admin bar hidden 
– Simple checkbox interface for role selection 
– Preserves admin bar visibility in WordPress admin area 
– Follows WordPress coding standards

Daisy Admin Bar – Hide Admin Toolbar Based on User Roles, Disable Admin Bar from Non-Admins

Control visibility of the admin bar based on user roles.

Remove Toolbar vs Daisy Admin Bar – Hide Admin Toolbar Based on User Roles, Disable Admin Bar from Non-Admins