aueda

You can embed page, category, and archive menu in your Wordperss site. You can get documentation and view demos from following site: 
http://tempspace.net/plugins/?page_id=33
If you are annoyed with consumption of large amount of window space by page, category, and archive list, this plugin will be useful.
When the bottom of the menu seems to be out of the window, the menu is “multi-columnized” automatically. Also, when the right side of the menu seems to be out of the window, the horizontal position of the menu is 
automatically adjusted.
You can change font-size, color, spacing in the admin page easily.

Page Category & Archive Menu

You can embed page, category, and archive menu in your Wordperss site. You can get documentation and view demos from following site:

Valentin Agachi

Create Posts & Terms helps with automatically creating a list of new pages, posts & custom post items with dummy content. The items can be nested and can have custom fields & terms assigned upon creation.
It also allows you to create a list of categories, post tags & custom taxonomies terms.

Create Posts & Terms

Create pages, posts, custom post items, categories, post tags & custom taxonomies terms in bulk.

Page Category & Archive Menu vs Create Posts & Terms