A very easy to use WordPress function to add popular posts to any WordPress theme.
Display the most commented or most viewed posts in a tabbed widget, filter the post by date range or by category. It also includes a tags tab.
This plugin shows most commented posts of last month with thumbnail, title, author's avatar of the posts in a dynamic way.
WP Most Popular is a simple plugin which tracks your most popular blog posts based on views and lets you display them in your theme or blog sidebar.
With help of this plugin you can display the most popular posts on your blog.
Displays a list of popular posts.