Kailey (trepmal)

Hide Admin Bar till cursor is near it. Front-end only.
Limited browser and theme testing*. Please report bugs before leaving a bad review.
Find me on <a href="http://twitter.com/trepmal" rel="nofollow ugc">twitter</a>
<a href="" rel="nofollow ugc"></a>* So far so good, but please report issues (include OS, browser, and theme please)!

Discreet Toolbar

Hide Admin Bar till cursor is near it. Front-end only.

Marcel Bootsman

Auto Hide Admin Bar makes the WordPress Toolbar disappear – and reappear when hovering the mouse pointer over the top of the browser window. 
You end up with a clean view of your site, and keep having access to the WordPress Toolbar. 
If you have any comments or questions, please use the <a href="https://wordpress.org/support/plugin/auto-hide-admin-bar" rel="ugc">support forum</a>.

Auto Hide Admin Bar

This plugin adds an auto-hide feature to the WordPress Admin Bar or Toolbar.

Discreet Toolbar vs Auto Hide Admin Bar