> For the complete documentation index, see [llms.txt](https://docs.atsign.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.atsign.com/readme.md).

# Welcome

### Atsign Documentation

Welcome to the Atsign documentation. Here you’ll find everything you need to understand the Atsign Platform, explore its core technologies, and start building secure, private applications and workflows. Choose a topic below to begin.

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-cover data-type="image">Cover image</th><th data-hidden data-card-cover-dark data-type="image">Cover image (dark)</th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>AI Architect</strong><sup><strong>TM</strong></sup></td><td><sup>Explore how to visually map out secure apps and workflows and export LLM prompts that generate apps on Atsign Platform<strong>.</strong></sup></td><td><a href="/files/7mGCYytcnPk8qVp32Tj7">/files/7mGCYytcnPk8qVp32Tj7</a></td><td><a href="/files/n6C7UsAlfj0Zib4KbIcw">/files/n6C7UsAlfj0Zib4KbIcw</a></td><td><a href="/pages/D8utXwfCiJwHAlMmcncV">/pages/D8utXwfCiJwHAlMmcncV</a></td></tr><tr><td><strong>Core Technology</strong></td><td><sub>High-level tour of Atsign Platform: how Atsigns, the Atsign Protocol, and atServers work together.</sub></td><td><a href="/files/26EiqL4sDLXdgosogJJB">/files/26EiqL4sDLXdgosogJJB</a></td><td><a href="/files/vxVqspaCWeS71hqHrZQm">/files/vxVqspaCWeS71hqHrZQm</a></td><td><a href="/pages/JMLKqIBOIrnYVGmvusTe">/pages/JMLKqIBOIrnYVGmvusTe</a></td></tr><tr><td><strong>atSDK</strong></td><td><sub>A practical introduction to the atSDK. Everything you need to build, authenticate, and exchange data across apps, devices, and environments.</sub></td><td><a href="/files/h8mWG3I3QzHzTmz31dqe">/files/h8mWG3I3QzHzTmz31dqe</a></td><td><a href="/files/f6v6bR2weiN9h1qCnUck">/files/f6v6bR2weiN9h1qCnUck</a></td><td><a href="/pages/TAzMpZlJy9a4Zke848QX">/pages/TAzMpZlJy9a4Zke848QX</a></td></tr><tr><td><strong>NoPorts </strong><sup><strong>TM</strong></sup><strong> ↗</strong></td><td><sub>See how NoPorts applies Atsign Platform to deliver secure, zero-trust connectivity without open ports or VPNs.</sub></td><td><a href="/files/F1RvagxcaJOtzHrkrM4S">/files/F1RvagxcaJOtzHrkrM4S</a></td><td><a href="/files/XixTooXR6fBW57zIHY3X">/files/XixTooXR6fBW57zIHY3X</a></td><td><a href="https://docs.noports.com/">https://docs.noports.com/</a></td></tr><tr><td><strong>GitHub ↗</strong></td><td><sup>See how Atsign Platform is built and join the development on our GitHub.</sup></td><td><a href="/files/Y4J1j9EEyyaFs3TBCzti">/files/Y4J1j9EEyyaFs3TBCzti</a></td><td><a href="/files/Bs5qZODR9j6gQUeIXVNx">/files/Bs5qZODR9j6gQUeIXVNx</a></td><td><a href="https://github.com/atsign-foundation">https://github.com/atsign-foundation</a></td></tr><tr><td><strong>atsign.com ↗</strong></td><td><sup>Learn more about the technology behind secure, private communications between people, entity, and things.</sup></td><td><a href="/files/pQ2DO7jVc4a8GQHTMi3f">/files/pQ2DO7jVc4a8GQHTMi3f</a></td><td><a href="/files/3Zj2LOVWumrTRfwZkXOc">/files/3Zj2LOVWumrTRfwZkXOc</a></td><td><a href="https://atsign.com/">https://atsign.com/</a></td></tr></tbody></table>

### Need Help?

<details>

<summary>via Email</summary>

Send us an email: <support.team@atsign.com>

Monday - Friday, 6am - 6pm (PT)

</details>

<details>

<summary>via Discord</summary>

[Join our Discord](https://discord.gg/atsign-778383211214536722) for technical support. Our team and community are here to help!

</details>