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.
Easily embed your presentations in a WordPress blog. SlideOnline.com is a free service to share PowerPoint presentations online.
Aioseo Multibyte Descriptions is plugin for multibyte language user, work well with All in One SEO Pack autogenerating META descriptions.
Insanely easy and attractive custom post types, custom post meta, and custom taxonomies
Add clean and structured twitter bootstrap tabs to your WordPress Posts and Pages easily through the edit post/page panel.
Description:Displays a list with posts and custom size thumbnails(for the first attached or featured image), linked to each post permalink.
MobilePress is a plugin for WordPress that renders a mobile friendly version of your WordPress website or blog.