We'll create fresh WordPress site with Posts Order Widget installed. You have 20 minutes to test the plugin after that site we'll be deleted.
This plugin adds a drop-down list with the ability to sort your blog posts :
You can find a demo here : http://www.spoils.fr/
The widget is named “Trier les articles” on the sidebar.
Since the version 2.0.0, it is now possible to change the default order for your categories.
In the category editing page, you will now find a dropdown list.