The best open source Online Backup alternative to Google Drive is Nextcloud. If that doesn't suit you, our users have ranked more than 100 alternatives to Google Drive and 14 are open source Online Backup Tools so hopefully you can find a suitable replacement. Other interesting open source Online Backup Tool alternatives to Google Drive are Syncthing, ownCloud, Proton Drive and Filen.
On-premises solution offering file sync, universal data access and collaboration through Nextcloud Files, Talk, and Groupware. Ensures secure, controlled data storage for enterprise with powerful privacy tools including encryption, fine-grained access, and a bug bounty.
Open-source, peer-to-peer service offering encrypted file synchronization, ensuring data privacy and user-autonomy without relying on cloud storage or central servers, suitable for various uses.
Self-hosted option for secure file sync, sharing, calendars, contacts, and mail supporting mobile, desktop, web access and external storage, real-time collaboration, password-protected links, document editing, anti-virus scanning, and LDAP integration.
Offering comprehensive privacy with end-to-end encryption, Proton Drive allows users to store, synchronize, and share files across various devices through web, desktop, and mobile apps. Free storage up to 5 GB, service remains open-source and audited, ensuring file content and access control.
Filen is a cutting-edge cloud storage provider that offers client-side, end-to-end, zero-knowledge encryption. Headquartered and operated entirely in Germany, Filen is at the forefront of combining comprehensive features with uncompromising privacy and security.
Koofr is a safe, secure and simple way to store, backup and share your documents, photos, videos and more. It offers up to 10 GB of free safe storage for your files with affordable upgrades and options to connect multiple cloud accounts.
Open source cloud platform for organizations with self-hosting, device file synchronization, sharing, versioning, secure encrypted storage, admin controls, web access, audit logging, and support for desktop and mobile clients for secure collaboration.
kDrive is a Swiss online storage service that respects its users' privacy and makes storing, sharing & collaborating on files a breeze.
End-to-end encrypted cloud storage with quantum-resistant cryptography protects files from all third-party access, including service providers, ensuring strict confidentiality for individuals and businesses, seamless web and mobile access, and compliance with EU data laws.
Cozy makes the personal cloud more accessible. Respectful of the user's privacy, Cozy simplifies daily tasks: synchronize and backup photos, automate bills downloading, manage expenses, etc. Flexible and easy to use, their Open Source platform allows users to create and...
Puter is a privacy-first personal cloud that houses all your files, apps, and games in one private and secure place, accessible from anywhere at any time.
Open-source, privacy-focused cloud storage using zero-knowledge encryption and blockchain technology, provides secure file transfer, end-to-end encryption, free 10 GB plan, desktop and mobile support, full user control, and no data tracking or ads.
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Basic installations of Nextcloud have similar features, but after adding some apps you can get much more from nextcloud than from google