Radek Mezulanik

Small cookies bar to inform visitors that your website uses cookies without beign too disturbing. 
User can setup colors of text, bar and button. You can also choose to show bar at the top or bottom of the page. You can also add custom css. 
And frontend is independent on jQuery.

Zedna Cookies Bar

Lightweight cookies bar to inform visitors that your website uses cookies without beign too disturbing. Frontend is independent on jQuery.

NCompass

A super simple wordpress plugin implementing a super simple cookie notice powered by Osana.
Features:
<ul>
<li>Lightweight and simple cookie notice powered by Osana</li>
<li>Several configurable themes and positions</li>
<li>Configurable message, learn more link and button text</li>
<li>WPML Support</li>
</ul>

Super Simple Cookie Bar

A super simple plugin that provides a super simple cookie bar notice.

Zedna Cookies Bar vs Super Simple Cookie Bar