Arno Welzel

This widget displays top level categories in multiple columns.
After installation, just add the widget to desired sidebar or footer and optionally enter a custom title and the number of columns to be displayed.
By default two columns are used, but you can set any number of columns you like in the backend.
Also see details at <a href="http://arnowelzel.de/wp/en/projects/wordpress/multicolumn-category-widget" rel="nofollow ugc">http://arnowelzel.de/wp/en/projects/wordpress/multicolumn-category-widget</a>.

Multicolumn Category Widget

This widget displays top level categories in multiple columns.

Murali

WordPress press widget to list category and subcategories of posts/custom taxonomies of custom post types.
Features
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It allows users to add custom icons for category or for subcategory or for custom taxonomies
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It lists categories and subcategories in user-friendly horizontal pattern. Please refer screenshots.
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Category icons can be edited/removed/update with new icons under edit category or under edit custom taxonomy admin screen
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Admin settings of this widget has facility control display on/off for category icons
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Admin settings of this wiget has facility to show/hide count of posts in categories
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Admin settings of this widget has facility to show/hide empty categories in widget
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Title of widget can be customized in widget settings
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Compatible with blocks under widgets section
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<h4>My Links</h4>
<ul>
<li><a href="https://www.muraliwebworld.com/groups/wordpress-plugins-by-muralidharan-indiacitys-com-technologies/forum/topic/category-sub-category-widget-for-wordpress-websites-using-php-javascript-jquer/" rel="nofollow ugc">Plugin homepage</a></li>
<li><a href="https://wordpress.org/plugins/push-notification-for-post-and-buddypress/" rel="ugc">Push notification plugin for WordPress,BuddyPress and for Mobile apps</a></li>
<li>Twitter @<a href="https://twitter.com/indiacitys" rel="nofollow ugc">indiacitys</a></li>
<li>Facebook <a href="https://www.facebook.com/indiacitys" rel="nofollow ugc">indiacitys</a></li>
</ul>

Category and Subcategory List Widget

This widget allows to add/update icons for category or icon for custom taxonomy. It lists Categories in horizontal menu pattern.

Multicolumn Category Widget vs Category and Subcategory List Widget