Build a Website

Looking for website similar to [login to view URL] There are few additional things we want to add which lists as follows: 1) Every profile page (business page) can refer to 5 people who in turn can each refer to 5 others and can earn 10% discount each (Max. level 5) and Business logic will be provided in Excel format. 2) Video call / Voice Chat support 3) Grouping friends with a different profile. (Like "Add as friend" or similar) 4) Sign in with Social Network Media like Facebook, Google+, Twitter, etc.