OTWthemes

It is easy to create all different kinds of Quotes for your WordPress site. Insert Quotes anywhere in your site – page/post editor, sidebars, template files. No coding is required. It is all done in a nice and easy interface.
Quotes Options
<ul>
<li>Quote Text </li>
<li>Border</li>
<li>Border Style </li>
<li>Background Color</li>
<li>Background Pattern</li>
<li>Text Color</li>
<li>Custom CSS Class</li>
</ul>
Insert Quotes Anywhere in your site
Basically Quotes can be inserted anywhere in your site
<ul>
<li>Page/post WYSIWYG editor by using the buttion in the editor</li>
<li>In sidebars by using the OTW Shortcode Widget</li>
<li>In template files by using the Quote’s shortcode and WordPress do_shortcode function</li>
</ul>
Custom styling
If you need to further style an Quotes here are your options:
<ul>
<li>Each Quote shortcode has it’s unique CSS class that can be used to style all Quotes.</li>
<li>Create a new class for each instance of an Quotes shortcode in its interface so you can style it individually.</li>
</ul>
Localization/Internationalization
This plugin comes Localization/Internationalization ready. It is following WordPress I18n standards.
Full version of the plugin
<blockquote>
Upgrade to the Pro version of this plugin – the fastes way to build your WordPress based site including regular updates and premium support: 
 <a href="https://1.envato.market/c/1246358/275988/4415?subId1=cm&subId2=2020&subId3=https%3A%2F%2Fcodecanyon.net%2Fitem%2Fcontent-manager-for-wordpress%2F7431829&u=https%3A%2F%2Fcodecanyon.net%2Fitem%2Fcontent-manager-for-wordpress%2F7431829" rel="nofollow ugc">Content Manager</a> | <a href="http://otwthemes.com/demos/1ts/?item=Content%20Manager&utm_source=wp.org&utm_medium=page&utm_content=upgrade&utm_campaign=cml" rel="nofollow ugc">Demo site</a>
</blockquote>
<ul>
<li>Custom Responsive Layouts – Build in Seconds</li>
<li>Front-end Editor – Edit your layouts and content in the front-end of your site</li>
<li>40+ Shortcodes with add/edit Interface, Custom and Imported Shortcodes</li>
<li>Insert Shortcodes Anywhere – Layouts, Page Editor, Sidebars, Template files</li>
<li>Insert Sidebars Anywhere – Layouts, Page Editor, Template files</li>
<li>WordPress Widgets Anywhere – Layouts, Page Editor, Template files</li>
<li>Content Sidebars</li>
<li>Support and Updates</li>
<li>Zero Coding Required</li>
</ul>

Quotes Shortcode and Widget

Create Quotes. Nice and easy interface. Insert anywhere in your site - page/post editor, sidebars, template files.

CodeAndReload

This plugin provides the ability to have randomly selected quotes displayed on the admin page, by using a 
shortcode or by using a sidebar widget. The quotes include user-entered quotes, and can optionally include 
excerpts from a user-chosen category and can also optionally include links from a user-chosen links category 
There also is an option for including the lyrics from “Hello Dolly”. The plugin can be used for random 
quotes, rotating testimonials, rotating random affiliate links, or random featured posts. It was inspired by 
the Hello Dolly plugin (hello.php) that comes bundled with WordPress.
<h3>Support</h3>
Technical support for this plugin will be provided via the WordPress plugin forum. Additional support may be 
available at <a href="http://www.codeandreload.com/wp-plugins/nicequotes/" title="Nice Quotes at Code
and Reload">plugin’s homepage</a>.

Nice Quotes Rotator

Allows display of random quotes via shortcode, a sidebar widget, and/or on the admin page. Quotes can be user-entered, post excerpts or links.

Quotes Shortcode and Widget vs Nice Quotes Rotator