11 Best Open Source ownCloud Alternatives
A curated collection of the 11 best open source and self-hosted alternatives to ownCloud in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for ownCloud in 2026? The top open-source alternative is Nextcloud — Nextcloud offers on-premises file sync, sharing and collaboration platform with advanced security and privacy features..
Other highly rated open-source ownCloud alternatives include Ente, Filestash and Seafile.
Nextcloud offers on-premises file sync, sharing and collaboration platform with advanced security and privacy features.
Nextcloud offers on-premises file sync, sharing and collaboration platform with advanced security and privacy features.
End-to-end encrypted cloud storage for photos and videos, offering privacy, security, and seamless cross-device syncing.
End-to-end encrypted cloud storage for photos and videos, offering privacy, security, and seamless cross-device syncing.
Filestash is an open-source file manager that integrates with multiple storage backends, authentication systems, and offers customization options.
Filestash is an open-source file manager that integrates with multiple storage backends, authentication systems, and offers customization options.
Open source file sync and sharing platform with custom properties, AI automation, collaborative editing, and enterprise-grade security for teams.
Open source file sync and sharing platform with custom properties, AI automation, collaborative editing, and enterprise-grade security for teams.
Self-hostable cloud file management and collaboration platform with an integrated office suite, zero-trust security, and GDPR compliance for teams and organizations.
Self-hostable cloud file management and collaboration platform with an integrated office suite, zero-trust security, and GDPR compliance for teams and organizations.
Secure, open-source platform for file storage, sharing, and collaboration. Host your data on your own infrastructure with full control and transparency.
Secure, open-source platform for file storage, sharing, and collaboration. Host your data on your own infrastructure with full control and transparency.
A peer-to-peer encrypted filesystem for secure file storage, sharing, and collaboration with end-to-end encryption and user-controlled data.
A peer-to-peer encrypted filesystem for secure file storage, sharing, and collaboration with end-to-end encryption and user-controlled data.
Lightweight, self-hosted cloud storage built with Rust and Vue.js. Features end-to-end encryption, file sharing, search capabilities, and Docker deployment.
Lightweight, self-hosted cloud storage built with Rust and Vue.js. Features end-to-end encryption, file sharing, search capabilities, and Docker deployment.
Open-source personal cloud that automatically gathers all your data from third-party services. French-hosted with privacy-first design, no ads, and seamless device sync.
Open-source personal cloud that automatically gathers all your data from third-party services. French-hosted with privacy-first design, no ads, and seamless device sync.
Open source encrypted data storage solution offering secure file sharing, collaboration tools, and on-premises deployment for professional teams.
Open source encrypted data storage solution offering secure file sharing, collaboration tools, and on-premises deployment for professional teams.
Firefiles is an open-source alternative to Dropbox that lets you manage files across multiple cloud storage providers through a single interface.
Firefiles is an open-source alternative to Dropbox that lets you manage files across multiple cloud storage providers through a single interface.
About ownCloud
Self-hosted file sync and sharing platform that gives you complete control over your data with enterprise-grade security and collaboration features.