cordoval

This plugin is pretty simple but it can evolve very powerful. It displays current blog entries categorized as Giveaways and allows for setting their time of validity during which they should display on the sidebar widget.
First version, more coming soon.
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WP-Giveaways

Displays entries categorized as Giveaways and allows for setting their time of validity during which they should display on the sidebar widget.

tryinteract

Use this plugin to generate a shortcode to embed your Interact Quiz, Poll, or Giveaway into your WordPress site. Promote your quiz within a Popup or an Announcement Bar.
Check out some examples of how over 30,000 companies have utilized quizzes on their websites <a href="https://tryinteract.com/customers/" rel="nofollow ugc">here</a>
IMPORTANT: An Interact account is required for this plugin to work as intended.
Visit <a href="https://tryinteract.com" rel="nofollow ugc">Interact</a>, sign up, and create an Interact Quiz, Poll, or Giveaway before you embed it into your site.
Installing this plugin without signing up on <a href="https://tryinteract.com" rel="nofollow ugc">Interact</a> will result in a broken quiz experience on your site.
Questions? Email help@tryinteract.com

Interact: Embed A Quiz On Your Site

Use this plugin to generate a shortcode to embed your Interact Quiz, Poll, or Giveaway into your WordPress site.

WP-Giveaways vs Interact: Embed A Quiz On Your Site