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.

johsjensen

Displays customizable cookie notifications. Includes a preview function for viewing your changes before your users do.

Cookie Notification

Displays customizable cookie notifications. Includes a preview function for viewing your changes before your users do.

Simplest cookie notice vs Cookie Notification