Mariapan

This plugin allows you to add a tag/category cloud with count widget to your sidebar or use a shortcode to show a category/tag cloud with count in post & page. You can select color combination of cloud, the minimum number of posts in a category to show and which categories to include or exclude.
<h4>Features</h4>
<ul>
<li>Use as a widget or shortcode</li>
<li>Configurable color combination of your cloud display</li>
<li>Order by number of posts in each category or alphabetically</li>
<li>Specify the minimum number of posts that a category has to have before it shows</li>
<li>Specify categories to include or exclude, or use them all</li>
</ul>
<h4>Usage</h4>
Shortcode 
Optionally enter [tagmagic] in a page or post to show the category cloud. See the FAQ for examples.
Title 
This is the usual widget title that will appear in your theme’s sidebar.
Order by
Choose between ordering by number of posts in a category, or alphabetically by category name.
Show by 
Either the category with the most posts first or the category with the fewest posts first if using Order by: count, or A-Z or Z-A if Order by: name.
Minimum number of posts 
Categories where the total number of posts is less than this number will not be shown. Set to 1 to hide empty categories.
Comma separated category IDs 
If you only want to include specific categories, enter their IDs in a list. If you want to exclude a category, enter its ID as a negative number. Leave blank for all categories.
<ul>
<li>
Example: 1,10,20 
This will create a category cloud with only categories 1,10,20 in it.
</li>
<li>
Example: -1,-3 
This will create a category cloud hiding categories 1 and 3.
</li>
</ul>
Parent category ID 
If you only want to include categories cloud of particular parent category, enter their IDs in a list. Leave blank for all categories.
<ul>
<li>Example: 1 
This will create a category cloud of parent category 1.</li>
</ul>

Wp Tag Magic Widget

Display selected tags or categories as a tag cloud using a sidebar widget or shortcode.

Jrack Wolfe

The best and most flexible tag cloud generator for <a href="https://wordpress.org/" title="Your favorite software" rel="ugc">WordPress</a> sites. Easy to implement with shortcode, easy to style and can show a cloud of lists of various taxonomies. It can even display manually created lists with hyperlinks.
Wolfe Candy Tag Cloud is part of the Wolfe Candy suite of plugins that all work together to make <a href="https://wordpress.org/" title="Your favorite software" rel="ugc">WordPress</a> site creation that much easier.
Major features include:
<ul>
<li>Configable style options using short-code, URL POST arguments or default settings or factory defaults.</li>
<li>Default values make calling a cloud easy.</li>
<li>Styles and order can be randomised.</li>
<li>Size of tags can be displayed according to rating scores.</li>
<li>Any font that is supported by the browser can be used.</li>
<li>Insert anywhere within posts or pages.</li>
<li>Show a cloud of any taxonomy including post_tag, category or any custom taxonomy.</li>
<li>Programatically or manually create a cloud based on ANY list.</li>
</ul>
It is completely FREE – development and maintenance by the Wolfe Candy team headed by Jrack Wolfe is funded through <a href="https://www.paypal.com/donate/?hosted_button_id=DY2RMD3J4SR3Q" title="Donate to Wolfe Candy" rel="nofollow ugc">donations</a> from generous users.

Wolfe Candy Tag Cloud

The reason this was developed is that other tag clouds didn’t give me the flexibility I needed for my website.

It provides the flexibility I need

The best and most flexible tag cloud generator. Easy to implement, easy to style. It can even display manually created lists with hyperlinks.

Wp Tag Magic Widget vs Wolfe Candy Tag Cloud