Some Wordpress plugins are often updated, which is good think. Plugins that are updated are 100% compatible with last Wordpress version and they also are the most secure possible. A plugin that has not been updated for a long time might not work with last Wordpress version and might create a security breach for you website.
This wordpress plugin has multiple facebook social plugins that can be used, easily customizeable, shortcode of each plugin. Simple but flexible.
You can display a gallery of the embedded Youtube and Vimeo videos within your site. They can be shown chronologically or as a random selection.
This plugin provides single sign-on capabilities for Discourse using WordPress user authentication.
Categories/Taxonomies addon for the AFC Wordpress plugin http://www.advancedcustomfields.com
Send info product request with a form ( Contact Form 7 shortcode) in single product of WooCommerce.
Easily test your wordpress emails without spamming real customers using mailtrap.io.