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.
Simple Shortcodes is a plugin that fits nicely in your editor toolbar for simple insertion of various commonly used shortcodes.
Integrate Google Analytics with your WordPress and enable traffic tracking.
Restrict the usernames that new users may use when registering for your site.
Full Background Image Manager WordPress Plugin allows you to set separate background image of each page.
Force WooCommerce product reviews to be manually approved.
You must know the fact that on Wordpress, each time you update your post, you will see previous post revisions stored there.
Allows clients to subscribe to content created using the 'Content Syndication Toolkit' plugin.