X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
Vicinity - High Quality Ambient Background Sounds in your macOS MenuBar
Plurk - Plurk is a social journal for your life.
chatback - Automatically connect to people around you & chat
Chttr.co - Chttr.co is a social network with 1. openness — everything is public 2. effortless discussions 3.
BuddyPress - WordPress social networking in a box.