Etebase simplifies building encrypted apps for GDPR, HIPAA, CCPA, and FERPA compliance.

Etebase simplifies building encrypted apps for GDPR, HIPAA, CCPA, and FERPA compliance.

Etebase is a secure, end-to-end encrypted, and privacy-respecting sync solution for contacts, calendars, tasks, and notes. It is easy to use, open source, and seamlessly integrates with existing apps.

Etebase is an end-to-end encrypted backend that simplifies building encrypted applications. It offers features like end-to-end encryption, revision history, easy sharing, and strong integrity protections.

It is built using widely audited libsodium and is based on the code powering EteSync.


  • Developer-friendly encrypted API
  • With end-to-end encryption, complying with privacy regulations such as GDPR, HIPAA, CCPA, and FERPA becomes much easier.
  • Encrypted data provides protection in case of a breach and is not considered a data breach under GDPR and HIPAA.
  • Etebase offers support for sharing data, access control, and all the necessary features for collaborative editing.
  • Integrated billing allows you to conveniently charge users for using your service using various payment methods.
  • Cryptography is a complex field that requires expertise to ensure its correct implementation.
  • Etebase provides comprehensive support for collaboration, including data sharing and access control.
  • Build high-performance applications effortlessly with Etebase while ensuring the privacy and security of user data.
  • Rich documentation
  • Ready-to-use CalDAV and CardDAV library for EteSync.
  • Available for Android, iOS, macOS, Linux, Windows,

Supported languages

  • Java
  • JavaScript/ TypeScript
  • Rust
  • C
  • Python
  • C#

The client libraries for Swift, Golang, and Ruby will be available soon.


The server is released under the AGPL-3.0 license.

Resources & Downloads

EteSync & Etebase
End-to-end Encrypt Everything! EteSync & Etebase has 26 repositories available. Follow their code on GitHub.
Etebase - Your end-to-end encrypted backend
An open-source and end-to-end encrypted SDK and backend

Open-source Apps


Medical Apps




Dev. Resources