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.
postTabs allows you to easily split your post/page content into Tabs that will be shown to your visitors
Use a simple shortcode to bypass the sometimes damaging effect of the wpautop function.
Integrate WordPress with TourCMS to aid creating specialist Tour and Activity Operator websites.
Add columns to visual editor and the page, another easier way to make columns using visual editor without HTML knowledge nor shortcodes.
A Twitter (v1.1) feed plugin for the developers that's fully customisable and support timelines, searches and lists.
Adds Sticky Sidebar and Accordion Widget features to your WordPress sites.