svil4ok

Bottom Bar is a WordPress plugin which includes a several features (you can see them below). The idea for creating this plugin comes from the facebook bar (in old version; now there is only a chat bar) and from wibiya’s toolbar.
Features
<ul>
<li>Recent posts</li>
<li>Popular posts</li>
<li>Recent comments</li>
<li>Random post</li>
<li>Share options (delicious, digg, edno23, facebook, google bookmarks, google buzz, svejo, twitter, stumbleupon, reddit)</li>
<li>Language packs (english, bulgarian, deutsch, french, russian, spanish, czech)</li>
<li>Restore option (admin option)</li>
</ul>
IMPORTANT: The plugin requires wp_head() and wp_footer() in order to work properly because they makes some calls to make the plugin appear.perly.
Translators
<ul>
<li>Bulgarian (bg) – <a href="http://www.svil4ok.com/" rel="nofollow ugc">Svilen Popov</a></li>
<li>Czech (cz) – Martin Stepic</li>
<li>Croation (hr) – Dario</li>
<li>Deustch (de) – Altan Tosun</li>
<li>English (en) – <a href="http://www.svil4ok.com/" rel="nofollow ugc">Svilen Popov</a></li>
<li>French (fr) – <a href="http://geekeries.fr/" rel="nofollow ugc">Valentin Brandt</a></li>
<li>Italian (it) by <a href="http://www.blog.webgenerate.net/" rel="nofollow ugc">Webgenerate</a></li>
<li>Russian (ru) – <a href="http://mishk.in/blog/" rel="nofollow ugc">Дмитрий Мишкин</a></li>
<li>Spanish (es) – <a href="http://www.tomasperrin.com.ar/" rel="nofollow ugc">Tomás Perrin</a></li>
<li>Turkish (tr) – Yavuz Yayla</li>
</ul>
If you have created your own language pack, or have an update of an existing one, you can <a href="http://www.svil4ok.com/contact" rel="nofollow ugc">send it to me</a>. If you want to translate the plugin in your language, but you don’t know how, <a href="http://www.svil4ok.com/contact" rel="nofollow ugc">contact me</a>, I’ll help you out.
<a href="http://www.svil4ok.com/wordpress-plugins/bottom-bar/" rel="nofollow ugc">More information</a> | <a href="http://www.svil4ok.com/wordpress-plugins/bottom-bar/#screenshots" rel="nofollow ugc">Screenshots</a>

Bottom Bar

Bottom Bar is a WordPress plugin that includes a several features for creating interactive and user-friendly toolbar.

Adel Tahri

PixelDima

Ahmed Bensalah

Adds a beautiful, customizable take action banner containe a promotion or a news to the top or the bottom of your WordPress site. 
Banner that is dismissable and dismiss is saved by cookie.
<h3>Features</h3>
<ul>
<li>Display a message with a button (optional).</li>
<li>Background Image, Gradient color, RGBa Color.</li>
<li>Colors are fully customizable.</li>
<li>Position the bar on top or bottom.</li>
<li>Set any height you want.</li>
<li>Display a close button for the visitor.</li>
<li>Cookie Bar.</li>
<li>Floating Button.</li>
<li>Responsive.</li>
</ul>

Dima Take Action

Easily lets you add a Top/Buttom Banner to display a notification and promotion.

Bottom Bar vs Dima Take Action