Open source alternatives to Dropbox

Open Source Continuous File Synchronization

Nextcloud offers on-premises file sync, sharing and collaboration platform with advanced security and privacy features.

Open source file sync and sharing platform with custom properties, AI automation, collaborative editing, and enterprise-grade security for teams.

:cloud: ownCloud web server core (Files, DAV, etc.)

A document management platform that helps you archive, organize, and search files with email ingestion, tagging capabilities, and powerful search functionality.

Secure, open-source platform for file storage, sharing, and collaboration. Host your data on your own infrastructure with full control and transparency.