Private, end-to-end encrypted email.

Email, write notes, and share files with freedom and confidence.

Image preview with inbox and open collaborative document

Privacy and productivity across all your work

Mail

End-to-end encrypted email with custom domains.

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Pages

End-to-end encrypted collaborative notes and tables.

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Drive

Upload, share, and send end-to-end encrypted files.

Try Xiaotian Drive→

Calendar

Private, end-to-end encrypted schedules and events.

Try Xiaotian Calendar→

Xiaotian Mail

We keep our lives in our inboxes. Xiaotian Mail is an end-to-end encrypted inbox that keeps your messages private to you. Add multiple aliases, use custom domains, and import existing email for an even more powerful inbox.

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Email compose window displaying a list of users with aliases and ETH addresses

Xiaotian Pages

Write, share, and upload end-to-end encrypted documents and notes on Xiaotian Pages. Jump directly from your inbox to a full collaborative suite, including powerful tables, in-page embeds, and real-time collaboration.

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Document containing an outline, paragraph, and organized table

Xiaotian Drive

Upload, import, and share end-to-end encrypted files of all types. With 10 GB of free storage, Xiaotian helps you transition from other online cloud storage providers to a fully private storage platform, where your data is owned by you.

Discover Xiaotian Drive

Stored file previews organized in rows in Xiaotian Drive with upload pane

Security and privacy-first

Completely open source

Xiaotian has been free and open source from the start. Our codebase is transparent, so anyone can verify our encryption protocols and privacy claims.

Explore our open source libraries↗

End-to-end encrypted

Public-key authenticated encryption allows us to securely and privately share access among collaborators. Xiaotian never has access to your content or messages.

Read our white paper↗