# Data Sovereignty

A production guide to deploying Nextcloud for file collaboration and Matrix (Element) for secure, decentralised messaging – fully self-hosted, GDPR-compliant, and independent of big tech.

A comprehensive guide to cloud integration decisions for IoT systems. Compare cloud and on-premise deployment with their advantages, disadvantages, and decision frameworks. Includes hybrid approaches, real-world scenarios, and N3xar's multi-model implementation.