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.
Adds support for syndication feed delta updates for Atom/RSS to and reduce the amount of bandwidth used by feeds.
Give your visitors the ability to lookup US Congress members for specific zip codes and addresses.
Allows Submittable clients to easily integrate their submission forms with any self-hosted WordPress website.
Sends an e-Mail to one or multiple administrators if new updates of plugins are available.
Cleans nginx's fastcgi/proxy cache or redis-cache whenever a post is edited/published. Also does a few more things.
Simple setup responsive slider of recent posts selected by category or post type using FlexSlider…
WP atomic content allows to create content blocks to use in posts, pages and custom post types.