Kailey (trepmal)

Insert quotes and pull them randomly into your pages and posts (via shortcodes) or your template (via template tags). 
Can refer to quote IDs to use specific quotes. Also widget-enabled

Easy Random Quotes

Insert quotes and pull them randomly into your pages and posts (via shortcodes) or your template (via template tags).

blnd

The Random Business Quotes plugin is a widget that displays business and startup quotes on the sidebar or any widget area.
The quotes inherit your site’s styles, and are responsive and made to fit in any screen size.
Quotes are “random” because they’re the latest daily entry retrieved from http://www.mentorbit.com/widget-quote.php.

Random Business Quotes

The Random Business Quotes plugin is a widget that displays responsive business and startup quotes on the sidebar/widgets area.

Easy Random Quotes vs Random Business Quotes