https://taxopress.com/
TaxoPress - the WordPress Taxonomy, Category and Tag Plugin
Organize all your WordPress content with the TaxoPress and Tag Groups plugins! Our plugins help you manage WordPress taxonomies.
taxopresswordpresstaxonomycategorytag
https://demo.taxopress.com/post-list/?tg-list-paged=2
Post List - TaxoPress Demos
This page uses the Tag Groups plugin. This example demonstrates the Post List feature when you can display posts with a specific tag or in a particular tag...
post listtaxopressdemos
https://taxopress.com/docs/modifying-the-post-query/
Modifying the Post Query in the Tag Groups Plugin - TaxoPress
In some cases you may want to modify the post query so that it returns only posts that have tags which belong to certain tag groups.
the posttag groupsmodifyingqueryplugin
https://taxopress.com/docs/shuffle-box/
Shuffle Box - Overview - TaxoPress
The Shuffle Box is a Tags Groups feature. This is tag cloud that allows you to filter the tags by their names or by their tag groups.
shuffle boxoverviewtaxopress
https://demo.taxopress.com/product-tag/tshirts/
TShirts Archives - TaxoPress Demos
tshirtsarchivestaxopressdemos
https://taxopress.com/docs/the-tag-cloud-doesnt-show-in-a-text-widget-instead-i-see-the-shortcode/
The tag cloud doesn't show in a text widget, instead I see the shortcode - TaxoPress
Try "Enable shortcode in sidebar widgets" in the settings.