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.
Remotely add known terms into the WordPress blacklist keys to manage spam
Seo Monitor is a free WordPress plugin to monitor your SEO performance for your website(s).
This plugin will add currency to catalog and product display page. The currency symbol and exchange rates can be set from admin.
JB News Ticker is a Responsive super Multi Theme plugin for your wordpress website.
This plugin provides your members with an easy to use Rich text editor for BuddyPress Group Forums.
Moderated editing of published content. Following approval by an editor, the revision can be published immediately or scheduled.