BuddyCircles:- The BuddyPress User Circles plugin is an add-on for BuddyPress. It allows users to create lists of users, e.g. Family, Close Friends, Colleagues, etc. BuddyCircles is most suitable when you want your users to have the ability to create multiple lists of users and optionally follow their activity. Adding a user to circle:-Social Subscribe Box is a fun-filled way to let your users subscribe to your Mailchimp newsletter on your WordPress site. It also supports linking to your social media profiles (for Facebook, Twitter, Google+ & LinkedIn).