sierramike

This widget allows you to display a JQuery responsive countdown timer on your website. You can use it as a widget or include it wherever shortcodes are supported.
It comes out of the box with french and german translations.
The widget contains media queries in its css stylesheet. You can edit it to suit your needs.
This widget also supports shortcodes!
Just add a [smcountdown timerdate=’xxx’] shortcode to any of you posts and you’ll get a responsive countdown timer! 
The shortcode supports one parameter: timerdate. 
* timerdate indicates the target date until which the timer counts down
Shortcode usage samples : 
[smcountdown timerdate=’2015/12/31 23:59:59′] 
Displays a countdown timer until Decembre 31th of 2015, 23h59m59s.

SM CountDown Widget

Displays a responsive JQuery countdown timer.

Akshit Sethi

The Maintenance Mode & Coming Soon plugin allows you to quickly & easily set up a Coming Soon, Launch Page, Under Construction, or Maintenance Mode page for your website. It’s Simple yet flexible and works with any WordPress theme out there. Also, lets you have full control over the frontend of the website and every element can be customized with just a few clicks.
<h4>Plugin Features</h4>
<ul>
<li>Works with any WordPress Theme.</li>
<li>Completely customize the look and feel of your Coming Soon / Maintenance Mode page.</li>
<li>Each and every element of the maintenance page can be configured.</li>
<li>W3 Total Cache and WP Super Cache Support.</li>
<li>Easily add Custom CSS and HTML.</li>
<li>Collect Emails with MailChimp.</li>
<li>You can let search engines to view website normally while visitors see the “Coming Soon” page.</li>
<li>Visible to only non logged in users so you can build your site while visitors see the “Coming Soon” page. Configurable via options panel.</li>
<li>Supports Custom Login URL.</li>
<li>Integrated with Google Fonts.</li>
<li>Stretch Background Image to Cover the Entire Browser.</li>
<li>Uses HTML5 & CSS3.</li>
<li>Translation Ready, i18n Support.</li>
<li>Powerful Options Panel.</li>
<li>Get support within the options panel itself. It’s something you going to love.</li>
<li>FREE Forever</li>
</ul>

Maintenance Mode & Coming Soon

Create a simple yet elegant Coming Soon, Launch Page, Under Construction, or Maintenance Mode page for your website.

SM CountDown Widget vs Maintenance Mode & Coming Soon