A list of systems, startups or software which makes use of the blockchain technology to deal with healthcare/medical data.
Gem wants to create a single platform to unify a bunch of crypto stuff. For example, a universal wallet. Looks they started around 2013 and might have shifted: from here it sounds as if they have been doing some healthcare stuff, but currently their website is called "All in One Crypto currency platform"
GemOS, the blockchain operating system.