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Subgraph OS


SubgraphOS is a desktop operating system that is designed to be both usable for non-technical users and secure against active interference and targeted attacks.

It is specifically designed to protect users at risk of identification and surveillance by determined, capable, network-borne adversaries meaning there is no physical access to the user or hardware. SubgraphOS prioritizes privacy through integration of Tor, including a default setting that restricts communication applications to only send data through the Tor network. The OS also includes a more secure instant messaging and email client that is configured by default for PGP and Tor support. Just as important to the security features, SubgraphOS emphasizes the user experience by considering usability during the development cycle.

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Current project status

Just an idea (Pre-alpha)
It exists! (Alpha/Beta)
It's basically done (Release)
People use it (Production)

Funding to date

2015 $200,000 12 months
2016 $125,000 6 months

Total Funding: $325,000

Addressed problems

  • Policies, laws, or directives that increase surveillance, censorship, and punishment
  • Restrictive Internet filtering by technical methods (IP blocking, DNS filtering, TCP RST, DPI, etc.)
  • Technical attacks against government critics, journalists, and/or human rights organizations (Cyberattacks)
  • Repressive surveillance or monitoring of communication


  • Software or hardware development
  • Technology development


  • Journalists
  • Advocacy groups/NGOs
  • Sexual minorities
  • General public
  • Women
  • Youth
  • Ethnic minorities
  • Activists


  • Global

Technology attributes

  • Anonymity
  • Networking
  • User interface/experience

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