Michael Adams (mdawaffe)

Just One Category will cause WordPress to display on a category archive page 
only those posts which are direct members of that category, i.e. this plugin 
will exclude from that category page all posts which belong to any of that 
category’s subcategories but do not belong to the category itself.

Just One Category

On a category's archive page, displays only the posts directly in that category, not in any sub-categories.

bestwebsoft

iCount

This plugin allows creation of XML sitemaps for submission to Google. It adds a small widget box in the admin panel when you edit or create posts and pages, that allows exclusion from the sitemap file. 
A special thanks to bestwebsoft for their awesome plugin called google-sitemap-plugin

iXML – Google XML sitemap generator

This plugin allows creation of XML sitemaps for submission to Google. It adds a small widget box in the admin panel when you edit or create posts and  …

Just One Category vs iXML – Google XML sitemap generator