A simple way to change a post's type in WordPress

Subscribe to Comments allows commenters on an entry to subscribe to e-mail notifications for subsequent comments.

Import posts, pages, comments, custom fields, categories, tags and more from a WordPress export file.

Add a WordPress HTML sitemap that is fully customizable to improve your website SEO and enable easy navigation for your users.

Allows group members to receive email notifications for group activity and forum posts instantly or as daily digest or weekly summary.

A simple widget that shows your recent tweets with fully customizable HTML output and Twitter API 1.1 support.

A plugin to talk to Citizen Space via its API.

Network plugin for PHP v5.4 to broadcast posts to other blogs. Custom post types, custom taxonomies, post meta and attachments are supported.

The “options page” addon creates a new menu item called “Options” which can hold advanced custom field groups (just like any other edit page). You can also register multiple options pages (view tutorial).

The Flexible content field acts as a blank canvas to which you can add an unlimited number of layouts with full control over the order.