7. wp-product-reviewEasily turn your basic posts into in-depth reviews with ratings, pros and cons and affiliate links .
8. visualizerWordPress Visualizer plugin is a simple, easy to use and quite powerful tool to create, manage and embed interactive charts into your WordPress posts and pages.
10. WP-Maintenance-ModeAdds a splash page to your site that lets visitors know your site is down for maintenance. Full access to the back- & front-end is optional.