CMSMS Post Tabs Widget allows you display a brief preview of your blog posts in any sidebar on your website. The widget lets you add three tabs to display your posts in - Latest posts, Popular posts and latest commented posts in a Comments tab. You can as well set the number of posts you want to be displayed.

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See what it will look like on the front end (screenshot for Riviera theme):

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Performance in different themes:

 
This widget is available in all themes with identical functionality