Katta Server

Zero-config storage and zero-knowledge key management, turning S3 storage into a secure team workspace.

PlatformWebfreeglobal

Katta Server is a free, self-hosted platform that turns existing S3 storage into a secure, client-side encrypted team workspace with zero-knowledge key management, integrating with your existing identity provider (OIDC, SAML, LDAP) so the server operator never sees unencrypted data or keys.

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