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.

jim912

You can customize the editing page by templates like themes.

Editor Templates

You can customize the editing page by templates like themes.

Quick Search Only One Category Posting vs Editor Templates