Live News is a plugin which keep your members up to date with the latest news all around the world. Live News provides News updates from top News providers through RSS Feeds importer on one platform i.e. your website. All you need to do is save the RSS Feed link of your favorite News source and your website will start receiving latest News updates on its real time basis through Cron job scheduler.
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.
Affiliate system allow affiliates to earn a profit through purchases/subscription made by their clients. It encourages your members to share and introduce your website to others. It is a perfect tool to track referrals to your website.