Welcome

Core Technology

_{High-level tour of the atPlatform: how Atsigns, the atPlatform Protocol, and atServers work together.}

atSDKs

_{A practical introduction to the atSDK. Everything you need to build, authenticate, and exchange data across apps, devices, and environments.}

NoPorts^TM

_{See how NoPorts applies the atPlatform to deliver secure, zero-trust connectivity without open ports or VPNs.}

GitHub ↗

^{See how the atPlatform is built and join the development on our GitHub.}

atsign.com ↗

^{Learn more about the technology behind secure, private communications between people, entity, and things.}