Rating System is a very flexible and powerful feature which allow your users to rate any content on your site and see the most rated content on any page.
Sitemap is a tool that inform search engines about the structure of your site. By placing a sitemap on your website, you enable Search Engine crawlers (like Google) to find out what pages are present and which have recently changed, and to crawl your site accordingly. You don't have to manually submit sitemap as it automatically (if settings is enabled in the admincp) Notify Popular Search Engines (Google, Bing) when sitemap changes.
This plugin allow users to see of all Currently Online Members both Friends and non - Friends.