Luis Rock

Master Bar plugin offers an easy way to display a bar with any message on top of your WordPress website. You can choose different messages for logged and non-logged users. You can select where the bar will appear: homepage, pages, posts, custom post types. You can even opt to use a shortcode [masterbar] in the page where you want the bar to show. Select color, background-color, font-size, border and/or apply your custom css code. Use Google fonts. Choose to let users click to hide the bar. Translate it.

Master Bar

Display a bar with any message or notification on top of your WordPress website.

Dannie Herdyawan

This plugin can showing message or notice on the top of site.
Live Demo:
<ul>
<li><a href="http://dh.ezyro.com/notification-bar/" rel="nofollow ugc">http://dh.ezyro.com/notification-bar/</a></li>
</ul>
Other Plugins:
<ul>
<li><a href="https://wordpress.org/plugins/dh-anti-adblocker/" rel="ugc">DH – Anti AdBlocker</a> – Block the adblocker</li>
<li><a href="https://wordpress.org/plugins/dh-rename-uploaded-files//" rel="ugc">DH – Rename Uploaded Files</a> – Auto rename uploaded files on the fly</li>
</ul>

Master Bar vs DH – Notification Bar