-
Entrepreneurs' Organization — EO is the World’s Only Peer-to-peer Network Exclusively for Entrepreneurs
-
Autism Support Network | Free autism & Aspergers support | Autism Support Network
-
Hospitals & Health Networks - Hospital and Health Care Executives
-
GNUnet | GNU's Framework for Secure Peer-to-Peer Networking
-
The Bitcoin Wallet for Your Desktop | MultiBit
-
Health Chat Rooms - Mental Health Chat Rooms - Health Forums - Peer Support Social Networking - HealthfulChat
-
P2Pool - Decentralized Mining Pool, DoS-Resistant, Hop-Proof, Trust-Less