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.
Disables a collection of WordPress features that can help your blog run more efficiently and smoother.
An easy way to give you more control over the plugins section of WordPress
This plugin allows you to configure extra mime-types for support by the inline-uploader.
Show or hide contents(text, image etc.) with animated effects wrapped by spoiler markup tag([spoiler][/spoiler]).
Allows you to create additional image sizes (in addition to the thumbnail, medium and large size that are default) for your blog.
Quizzin lets you add quizzes to your blog. This plugin is designed to be as easy to use as possible. Quizzes, questions and answers can be added from …
Allows placement of a font size controller within your blog. By default its placed in your sidebar and footer