ThemeHunk

This popup plugin comes with easy to use layouts, You can simply select and add your original content using live editor. Plugin contain layouts for sale, Discount offers, Deals, shop ad etc. You can popup at your desired page, post, Between post and in the widget areas as a banner ad.
Key Features:-
<ul>
<li>Live popup editor.</li>
<li>Pre made templates.</li>
<li>Option to select desired page / post to display popup.</li>
<li>Option to display popup as a banner ad in the widget area.</li>
<li>Option to display popup between page / post using shortcode.</li>
<li>Unlimited color option for popup content.</li>
<li>Watch template demo live before editing. </li>
<li>24×7 support available for free product too <a href="http://www.themehunk.com/support" rel="nofollow ugc">http://www.themehunk.com/support</a>.</li>
</ul>

Business Popup

popup plugin

This plugin comes will all features required to create a professional popup.

Business Popup vs Popup Box – Create Countdown, Coupon, Video, Contact Form Popups