pressupinc

davidbhayes

Only One Category makes sure users only select one category for their post by making the selectors radio buttons, which only allow one category to be selected.
Rather than spend all your time maintaining the editorial style of only putting posts into a single category, this plugin is a quick way for you to enforce that standard. It makes it impossible for a person to accidentally break your site’s layout of functionality by putting a post in multiple categories. They just can’t do it, whether by accident or intention.

Only One Category

Works great

Limits a post to a single category by changing the checkboxes into radio buttons. Simple.

longbsvnu

Quick Search And Only One Category Posting support quickly selecting category via search box when there are many categories. Besides, you can use radio button instead of checkbox when you want clients to choose 1 category only. 
Quick Search And Only One Category Posting supports all custom post types and custom taxonomy activated in theme and plugin.

Quick Search Only One Category Posting

Quick Search And Only One Category Posting support quickly selecting category via search box when there are many categories.

Only One Category vs Quick Search Only One Category Posting