Select All Categories and Taxonomies, Change Checkbox to Radio Buttons
Use radio buttons or checkboxes for your categories and custom taxonomies with this incredibly powerful…
Sumada Kaabaha: taxonomy
Categories in Hierarchical Order
Categories in Hierarchical Order plugin maintains the hierarchical order of categories list in the Category…
Taxonomy Dropdown Widget
Creates a dropdown list of non-hierarchical taxonomies as an alternative to the term (tag) cloud.…
WP Term Images
Images for categories, tags, and other taxonomy terms
Taxonomy List Widget
Creates a list (bulleted, number, or custom) of non-hierarchical taxonomies as an alternative to the…
Taxonomy Switcher
Switch the taxonomy for all terms or only child terms of a specified parent term.
Category Import Reloaded
Category Import Reloaded is a wordpress plug-in which allows user to bulk create categories and…
Post Category Filter
Filter post categories and taxonomies live in the WordPress admin area
Advanced Custom Fields – Taxonomy Field add-on
Adds a Taxonomy Field to Advanced Custom Fields. Select one or more taxonomy terms and…
TagPages
Adds post-tags functionality for pages.
I Order Terms
Allows theme developers to add order/sort functionality for categories, tags and custom taxonomies.
Remove Taxonomy Url
This is a purpose-oriented plugin that simply remove the taxonomy slugs from URL.
Categories Metabox Enhanced
Replace the checkboxes with radio buttons or a select drop-down in the built-in Categories metabox…
Rename Taxonomies by WebMan
Customizes text and menu labels for any registered taxonomy using a simple interface.
Powerful Posts Per Page (PPPP)
Posts per page for custom post types and taxonomies.
xili-tidy-tags
xili-tidy-tags is a tool for grouping tags by semantic groups or by language and for…
xili-language
xili-language provides for a bilingual (or multilingual) website an automatic selection of language (.mo) in…
WP Taxonomy Order
WP Taxonomy Order is a plugin that allows for the ordering of taxonomy or category…
Require Post Category
Require users to choose a post category before updating or publishing a post.
Attachment Taxonomies
This plugin adds categories and tags to the WordPress media library – lightweight and developer-friendly.