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.
Related Posts by WPBrigade is The Best Customizable plugin, that nicely displays related posts thumbnails under the post.
Plugin duplicates the posts,pages all at once based on the post type,post status and even year of posts created.
Customize Your WordPress Login Screen Amazingly - Add Own Logo, Add Social Profiles, Login Form Positions, Background Image Slide Show
Take advantage of your visitors' commentators' and customers' interest. Invite them to subscribe and nurture their engagement.
This plugin will add post thumbnail to RSS feed items. Add signatur or simple ads. Create fulltext RSS (via special url).
Elegant, responsive, optimized & fast social sharing buttons for wordpress community. Install it and say yes to speed.