Best Etebase Alternatives ranked by AI · updated Aug 2026

💡 Pick it when you need ready-made encrypted calendar, contact, and task sync instead of building a custom data app.

EteSync is an end-to-end encrypted and secure solution for your contacts, calendars, and tasks.

💡 Pick it when you need a full self-hosted personal cloud with files, calendars, contacts, and collaboration.

Nextcloud is a self-hosted file sync and share server designed to be easy to use and secure.

💡 Pick it when private collaborative documents matter more than embedding encrypted sync into your own application.

CryptPad is a privacy-focused online collaboration platform that allows users to work on documents, spreadsheets, presentations, and more while ensuring end-to-end encryption.

💡 Pick it when you want a polished encrypted notes app rather than an infrastructure toolkit for building your own product.

Encrypted note-taking app with a focus on privacy and security.

💡 Pick it when you need convenient encrypted file storage and synchronization rather than a self-hosted application backend.

Proton Drive is an end-to-end encrypted cloud-storage service for individuals and teams. It provides encrypted file storage, sharing links, and document editing...

💡 Pick it when business-grade encrypted file sharing, administration, and compliance controls outweigh open-source flexibility.

Tresorit is a secure cloud storage solution that encrypts your files and provides end-to-end encryption for maximum data security.