The best open source alternative to Filen is Nextcloud. If that doesn't suit you, our users have ranked more than 50 alternatives to Filen and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Filen are Proton Drive, ownCloud, Koofr and Seafile.
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.
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.
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.
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.
Choose simplicity, get Cozy. We all have a life and a digital life. Cozy gathers them. In your Cozy, you have all your personal data: pictures, health, bank, holidays, accessible only by you. Welcome to your new digital home.
Hoodik is a lightweight, secure, and self-hosted cloud storage solution. It's designed and built with Rust and Vue, focusing on end-to-end encryption that shields your data from prying eyes and hackers.
Lightweight file storage with a Rust backend and optimized binary for efficiency, offering responsive UI on desktop and mobile, simple setup, multilingual English and Spanish support, no PHP dependency, and designed for minimal resource use on home servers.
Sync-in is a secure, open-source platform for file storage, synchronization, and team collaboration — designed to give organizations full control over their data and workflows, while remaining flexible enough for individual needs.
Trustless collaboration platform with decentralized file-sharing, collaborative editing, cheap storage, privacy controls, onchain team and community access, website and blog publishing, open workflows, customizable spaces, and alternatives to traditional online suites.
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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No end-to-end encryption is applied to the files.