FMEAddons

The TopBar plugin adds a notification bar on your website to highlight your newest products, promotions, or upcoming events. This enables you to showcase a pleasant message to your visitors along with a custom link.
Display a customized top bar and make it visible for everyone or only logged-in users. Customize the appearance of the top notification bar with unique settings such as bar position, background color, text color, customized button, personalized link, and top bar width and height. The top bar will help you to inform your customers about the latest promotions to increase user engagement.
<h3>Plugin Features</h3>
<ul>
<li>Show the notification bar at the top of the page</li>
<li>Show the top bar to everyone or logged-in users</li>
<li>Option to make top bar sticky (fixed)</li>
<li>Change the background and text color of the notification bar</li>
<li>Add a personalized message to the top bar</li>
<li>Include a CTA button with a custom linkreadme validator</li>
<li>Customize text color, background color, and add custom CSS</li>
</ul>

TopBar

The TopBar plugin adds a notification bar on your website to highlight your newest products, promotions, or upcoming events.

Eduardo Pagán

Antikton Topbar Countdown is a lightweight yet powerful plugin that allows you to display a customizable top bar on your WordPress site. It features an integrated countdown timer and advanced scheduling options, making it perfect for announcements, sales, maintenance notices, and more.
Core Features
<ul>
<li>Global Top Bar: Easily display a notification bar across your site.</li>
<li>Flexible Scheduling: Set start and end dates/times for the bar to appear automatically.</li>
<li>Countdown Timer: Drive urgency with a countdown timer targeting a specific date or the end date.</li>
<li>Alternative Content: Choose to hide the bar or show different content when the timer finishes (e.g., reveal discount coupons, announce “Sale is LIVE!”, or show “Offer Ended” messages).</li>
<li>Full Customization: visual control over background colors, text colors, and padding.</li>
<li>Rich Content Editor: Use the familiar WordPress editor for your bar’s content.</li>
</ul>
Action on Finish
When the countdown or scheduled time ends, you have full control: 
* Hide the bar: The bar disappears automatically. 
* Show alternative content: Replace the countdown/message with a new message and link (perfect for revealing discount codes when a sale starts, showing “Sale is LIVE!” messages, or displaying “Missed the sale?” notifications).

Antikton Topbar Countdown

A fully functional WordPress plugin that displays a customizable top bar with optional countdown timer and advanced scheduling capabilities.

TopBar vs Antikton Topbar Countdown