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.
Displays a user, group, album or channel Vimeo videowall with thumbnails or small videos or a list of video titles in sidebar or content.
Get in line with the law and add an 'Accept Cookies' button to your website
The plugin add a custom page in your admin dashboard where you can show html code to editors.
Adds fields to the post and page edit pages that allow you to insert custom JavaScript or CSS for that post or page.
Provides links in your wordpress backend to easily open your page/post in the Facebook Debugger
Donations with the ability to specify an unlimited number of campaigns / goals. Integrates with PayPal IPN to display a progress meter / donor list.