BuzDoc Inc - BuzDoc is one of the best online portal services that has partnered with professional healthcare providers in the Chicago Area to enable patients to better control their healthcare needs.
Pleroma - Pleroma is a free, federated social networking server built on open protocols.
Zocdoc - Zocdoc is the beginning of a better healthcare experience for millions of patients every month. Find doctors you love, read real reviews, book appointments instantly, and more.
GNU social - GNU social is communication software for both public and private communications.
WebMD - The leading source for trustworthy and timely health and medical news and information.
ZeroMe - Social network for the distributed P2P network ZeroNet.