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.
Remove duplicate whitespace in between sentences or elsewhere within posts. Useful if multiple contributors use different styles for sentence spacing.
wpTextResize is an easy to use way to have Increase, Decrease, reset font size controls for body text on a WordPress site.
Easily fetches RSS feeds from external sources and embed them into posts or pages with a shortcode.
Shows your online/offline registered users by some display options.
Provides an interface to make a WPMS network unavailable to everyone during maintenance, except the admin.
Plugin adds a sortable modified date column to posts & pages within wordpress.