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 a sortable column to the admin's post manager, displaying the word count for each post.
Big main picture of a gallery and thumbnails of others, and the main image changes when one clicks thumbnails.
Important Note: This plugin still works at this time (wp version 3.4.1) but wont be maintained any longer. Please uninstall it and use RSS just better …
This plug-in provides a configurable widget to display recent comments with comment author avatars.
This plugin allows you to use a short code for hidden your some content for the members only to see them.