swmenu

Visit http://swmenu.com and use the free online editor to make your own customised version of this pluggin.
<ul>
<li>Pure simple CSS3 design</li>
<li>No javascript used for most configurations</li>
<li>Responsive fallback menu options for mobile devices</li>
<li>PIE.htc integration for older Internet Explorer versions</li>
<li>Vertical or Horizontal orientations</li>
<li>Multilevel backgrounds using colors, gradients and images</li>
<li>Submenu indicators for normal and hover conditions</li>
<li>Special effects including text shadows, box shadows, slides and fades</li>
<li>Variety of corner options and combinations</li>
<li>Google webfonts integration</li>
</ul>

swMenu

Visit http://swmenu.com and use the free online editor to make your own customised version of this pluggin.

Themepoints

Pure CSS3 Tooltips For WordPress is a lightweight, easy to use tooltips plugin for WordPress. It’s based on pure CSS3 and comes with some different style, different tooltip positions, optional tooltip headers, support for images.
<ul>
<li><a href="https://themepoints.com" rel="nofollow ugc">How to use? !»</a></li>
</ul>
Plugin Features 
<ul>
<li>5 Beautiful Style.</li>
<li>Pure CSS3.</li>
<li>CSS3 animation.</li>
<li>Custom Width.</li>
<li>Custom Height.</li>
<li>Lightweight Responsive.</li>
<li>Easy Option Panel.</li>
<li>Easy Documentation.</li>
</ul>
How to use?
<pre><code><div class="tooltips" data-tipso="This is a top Tooltip!">Top</div>
</code></pre>

Tooltip Wp

This plugin will enable an awesome, nice, smooth tooltip for your website. Install and enjoy this plugin's features.

swMenu vs Tooltip Wp