nbmblueeye

The Plugin will help you easy to add Custom Taxonomy to your Post, Custom Post Type. 
You just input the post_type and The Name of Taxonomy, 
You should tick to hierarchical option: will become Category or become Tag);
If you want to update, remove the existing taxonomy just go to page MCT_All, this page will be used to manage your added custom taxonomy
Ordered list: 
– Existing Custom Post Type Slug: the slug name from post_type, which is the one you want to add custom taxonomy 
– New Taxonomy Name: the name of Custom Taxonomy, which you want to add. will be display on the admin menu 
– New Taxonomy Slug: add the slug of the custom taxonomy, which you want to add

My Custom Taxonomy

This Plugin will be used to add custom taxonomy onto your Post, Custom Post Type

chrisguitarguy

Tom Lynch

Custom Post Type Selector allows you to select which post types should be included in the main loop of your blog, including custom post types.
If you find this plugin useful please <a href="http://supportus.cancerresearchuk.org/donate/" rel="nofollow ugc">donate to Cancer Research UK</a>, and let me know what think you via <a href="http://tomlynch.co.uk" rel="nofollow ugc">my website</a>.
Special thanks to <a href="http://christopherdavis.me" rel="nofollow ugc">Christopher Davis</a> for his help getting the <a href="https://gist.github.com/1864416" rel="nofollow ugc">core functionality</a> working on <a href="https://codex.wordpress.org/IRC" rel="nofollow ugc">#wordpress</a>.

Custom Post Type Selector

Custom Post Type Selector allows you to select which post types should be included in the main loop of your blog, including custom post types.

My Custom Taxonomy vs Custom Post Type Selector