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This plugin will provide a new widget in the Widgets Section, so you can easily add it in any widgetized area of your theme.
With this widget you will be able to list pages or posts or any other post-type, filtering them by terms of categories, tags and any other active custom taxonomy. You can add filtering by Custom Meta Field value, and decide how to order the list. 
You can also choose to display only Title, or to add Thumbnails, Excerpts and Date. Or you could display only the image with the details on rollover!
Its scope is very similar to the default Recent Posts widget, but you’ll have tons of options and you can use it for any post-type and taxonomy.
Now you can also set the max width of the thumbnail, and the excerpt length, so the listing can display nicely even on larger widgetized areas.
“This is the last listing widget plugin you’ll ever need to download”
the main features of the widget are:
<ul>
<li>Decide how many entries to display</li>
<li>Choose which Post-Type you want to list</li>
<li>Choose which Taxonomy will be used as filter</li>
<li>Choose which Terms to narrow your list with (or choose “any” term of the selected taxonomy)</li>
<li>Select multiple terms at once </li>
<li>Include or exclude children terms of the selected ones</li>
<li>Filter by Custom Meta Fields values (full list of comparison operators)</li>
<li>Automatically lists in dropdown selectors, all available post-types, taxonomies, terms, and meta fields! no need to find their slugs or ids!</li>
<li>Order by ID, Date, Last Modified Date, Title, Comments, Page Order, Meta Field, or Random</li>
<li>Order Ascendant or Descendant</li>
<li>Choose if display Thumbnails, and if link them to the post url</li>
<li>Choose which Thumbnail Size to pull from the database</li>
<li>Set Thumbnail max width </li>
<li>Choose the thumb alignment (left, right or centered above)</li>
<li>Choose if display Excerpts</li>
<li>Set Excerpt length (in characters)</li>
<li>Choose if to display Date (or “Last Modified” Date) and which alignment</li>
<li>Decide if text content can flow below the image or rather stay on its side</li>
<li>Eventually force the titles to stay on one line and hide the overflowing</li>
<li>Truncate the title after a specific amount of characters</li>
<li>Exclude specific posts/pages from the listing</li>
<li>Exclude current post</li>
<li>image placeholder if no-thumb is found</li>
<li>Choose to display results into a simple dropdown</li>
<li>Choose to display only image</li>
<li>If only-image, choose to display post data on mouse hover</li>
<li>Act as SubPages Nav Menu! (Display only the Children of the same current Parent)</li>
<li>Display the current Parent/Page as Widget Title</li>
<li>Add text or html above the list</li>
<li>Several filter hooks available for manipulating the plugin logic (for developers) </li>
</ul>
Also, the plugin is structured to allow easy overriding of the output template. 
Just duplicate the file pbytax-template.php that you’ll find within the plugin subfolder “templates”, and put it in your theme folder.
You can also take advantage of a few useful filter hooks (see FAQ)!
the widget is built with a very little css styling, in order to adapt perfectly in any theme. though, if you want to style it up, all the html elements have been named with specific classes, to allow easy targetting in your css file.
if you’d like me to add a new feature to the widget, please let me know by writing a post in the <a href="https://wordpress.org/support/plugin/wp-list-pages-by-custom-taxonomy" rel="ugc">support forum</a> , and hopefully I will add it to the next version of WP List Pages by Custom Taxonomy.
If this plugin has been helpful for you, please don’t forget to review it and consider to <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=VUF3KP7YFAVZG" rel="nofollow ugc">make a donation</a>. Don’t be shy, a couple of dollars would still make me happy! 🙂

WP LIST PAGES BY CUSTOM TAXONOMY

Widget to lists posts of any active post-type, filtering by any term of any active custom taxonomy. display title, or thumb, date and excerpt too.

rdonk

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Square Sync

Square Sync lists squareup products from the Connect Squareup API

WP LIST PAGES BY CUSTOM TAXONOMY vs Square Sync