Google PageRank – Allows you to show your Google Page rank on your blog.
Alexa Rank – Describe Alexa rank with pride.
Codebox – Side scrolling box for displaying code snippets
FireStats – This plugin adds a graphical chart of the FireStats statistics plugin on the admin dashboard
Ajax Comment Preview – Allows readers to preview their comment before submitting.
WP-Polls – Adds fully customizable polls for your readers to take
Plug ‘n’ Play Google Map – display post that you make with longitude and latitude to a Google Map on a separate page
WP-Post Ratings – it provide rating box to readers
imgViewJX – update image on your current direvtory or on page
WP e-Commerce – Adds a shopping cart to your WordPress powered site.
Live Spell Checker – Adds a spell checker to the admin area to check your posts with.