XDI Identity Agents
The XDI data model and protocol enables personal clouds, identity containers, agents, and
similar concepts. It is based on a powerful identity graph that
connects individuals, businesses, and relationships between them.
https://xdi2.org/
Universal Addressability
In the XDI data model, every piece of data is globally and uniquely addressable,
so that rights to every data element can be unambiguously specified.
Context Ability
XDI is able to describe the same target graphs and their contents
across different contexts (whether they are natively expressed in XDI or
dynamically mapped to XDI).
Danube Navigator
Danube Navigator is a mobile app that gives you
control over connections between
individuals, businesses, and devices. This app is a decentralized
address book, a messaging tool, and more.
https://xdi2.org/
Free Software
FreedomBox is a free software stack, a subset of the Debian universal
operating system, that can be installed in many flavors of cheap and
power-efficient hardware.