Tag transform is a unique extension to display your Joomla native tags in a nice way. Since Joomla 3.1, the tagging system enhance the content management in Joomla. All your articles can have tags and then create a semantic link with all tagged content.
Shack Editorial Calendar is designed for people with busy Joomla sites. With this extension, you can manage large amounts of Joomla articles. You can create, edit and schedule all your content from a single calendar screen.