rubywhysomeoneagainusedmynickname

This plugin was created with simplicity in mind, it\’s main goal is to display cookie notices without much hassle. All you need to use it, is activating it. Later you can customize settings to your desire. 
In case using WPML (The WordPress Multilingual Plugin), you can have different settings depending on language you choose. 
The plugin is translation ready.

Simplest cookie notice

This plugin allows you to display cookie notice, enter notice text and style it.

Jenst

Cookie Message plugin will on activation add a message at the bottom of your screen.
When clicking the button it will disapear. How long is for you to decide but default is forever. It will remember it by HTML5 localstorage, not by a cookie.
You have settings for information that goes into the message, colors, fonts and you can disable CSS and javascript if you need to. See screenshots for more information about the settings.

Cookie Message

EU cookie law message at the bottom of the screen.

Simplest cookie notice vs Cookie Message