glutaminefree

This plugin implements the toolbar for more comfortable post controls. You can enable/disable it from “Screen Options” panel.
Also you can use hotkeys:
<ul>
<li>Save/update post – Ctrl + S</li>
<li>Delete post (move to trash) – Ctrl + D</li>
<li>Change status of post – Ctrl + 1</li>
<li>Change visibility of post – Ctrl + 2</li>
<li>Show revisions – Ctrl + 3</li>
<li>Change data of post – Ctrl + 4</li>
</ul>

Post Editing Toolbar

This plugin implements the toolbar for more comfortable post controls.

Scott Kingsley Clark

Pretty easy setup.. just install and activate it on the site of your choice (or network activate) and set up the settings however you’d like.
This plugin supports both Per-Site and Per-Network (WordPress Multisite) settings, so you can fine tune your options based on your needs.
Other plugins you might be interested in:
<ul>
<li>Showing the Admin Bar in more cases – <a href="https://wordpress.org/plugins/always-show-admin-bar/" rel="ugc">Always Show Admin Bar plugin</a></li>
<li>Showing the Admin Bar to logged out users – <a href="https://wordpress.org/plugins/logged-out-admin-bar/" rel="ugc">Logged Out Admin Bar plugin</a></li>
<li>Customizing the Admin area based on role – <a href="https://wordpress.org/plugins/adminimize/" rel="ugc">Adminimize</a></li>
</ul>

Admin Bar Disabler

Pretty easy setup.. just install and activate it on the site of your choice (or network activate) and set up the settings however you'd like.

Post Editing Toolbar vs Admin Bar Disabler