A self-hosted cloud storage platform that gives you complete control over your data — maximum sovereignty at the cost of significant setup and maintenance effort.
This toolkit is for informational purposes. Security needs vary by situation. No tool guarantees complete privacy or anonymity.
Server-side encryption available but not E2E by default; E2E encryption module exists but is experimental and limited.
Self-hosted means no third-party data access, but you must manage your own server infrastructure and domain.
Fully open source under AGPLv3; one of the largest open source projects with hundreds of contributors.
German company (Nextcloud GmbH), but self-hosting means your data jurisdiction is wherever you host your server.
Forked from ownCloud in 2016; widely deployed by organizations and governments; regular security updates.
Requires setting up and maintaining a server; administration tasks are ongoing and demand technical expertise.
Web, iOS, Android, and desktop sync clients; feature set varies by server configuration and installed apps.
Core software is free; hosting costs depend on your infrastructure choice, which can be paid anonymously.
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