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.

alexmustin

Coming Soon Express is the fastest way to get a ‘Coming Soon’ page launched on your website in two simple steps:
<ol>
<li>Install the plugin.</li>
<li>Customize it with the built-in WP Customizer.</li>
</ol>
Voila! Your landing page is up and running in 10 minutes or less.
See a live preview while you edit — no more switching between tabs to see how your updates appear on the site!
Your visitors will see the ‘Coming Soon’ page, while “logged-in” users are able to view and work on the website seamlessly behind the scenes.

Coming Soon Express

Love the simplicity of this plugin and how easy it is to configure - all right in the Customizer including a preview. Lots of options too.

My new favorite coming soon plugin

The fastest, easiest 'Coming Soon' page for your website! Use the WP Customizer to see a Live Preview of your page as you edit.

SM CountDown Widget vs Coming Soon Express