The best free Cloud Storage alternative to Microsoft SharePoint is Nextcloud, which is also Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Microsoft SharePoint and 11 are free Cloud Storage Services so hopefully you can find a suitable replacement. Other interesting free Cloud Storage Service alternatives to Microsoft SharePoint are ownCloud, Sync-in, OxiCloud and bewCloud.
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.
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.
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.
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.
Open-source cloud storage solution built on TypeScript, Deno, and Fresh, offering a minimal, user-friendly interface, WebDAV file access, easy sharing, modular architecture, and integration with existing clients, designed for privacy and flexible self-hosting.
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.
Excellent file management and collaboration for public authorities, providers and business - or anyone who values ease of use and digital sovereignty.
Access to monocles ocean with plenty of additional functions and with at least 4 GB of storage for your documents and data. Optionally, more storage can be available.
A privacy-first, all-in-one ecosystem that replaces Google Workspace and Creative Cloud. Features encrypted email, cloud storage, and docs, alongside a browser-based 3D animation engine and AI assistant. Your data stays yours.
Edelcloud is a secure cloud storage where you can store your personal files and access them from anywhere!
Germany
EU
United States
France
Portugal
Spain
Switzerland
Great open source alternative