WP All Post Type Widget WordPress plugin add default post type and his category (post).
You can display post with custom post type and his category base.
Descriptions of Widgets
Post Type (Custom Post Type or default)
display a list of the custom posts by post type.
- Title – description that appears over the list of custom posts.
- Post Type – if selected, filter by a custom post type. (e.g. post).
- Number of posts to show (at most unlimited) – enter the number of posts to display.
- Display post date? – if checked, display post date.