Nextcloud is described as 'On-premises file sync, universal access, integrated collaboration, real-time communication with privacy and data control focus' and is a leading Cloud Storage service in the office & productivity category. There are more than 100 alternatives to Nextcloud for a variety of platforms, including Web-based, Windows, iPhone, Android and Mac apps. The best Nextcloud alternative is ownCloud, which is both free and Open Source. Other great apps like Nextcloud are Dropbox, Google Drive, MEGA and Anytype.
Fast and very secure digital asset management platform with a user-friendly interface. Allows you to customize download links with your brand's style and logo. Controlled access to all your digital files-anytime, anywhere,on any device and more.
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.
Synchronize and access files across multiple devices with secure cloud storage. Features include 2GB free storage, two-factor authentication, selective sync, offline access, shared folders, and built-in viewer, supporting various platforms and languages.
A file storage and synchronization service integrated with Google Docs suite, enabling seamless collaboration across devices. Offers scalable storage, real-time updates, offline access, and extensive sharing options across Mac, PC, and mobiles.
This cloud-storage service offers end-to-end encryption, selective synchronization, and shared folders without ads. Supports offline access, two-factor authentication, encrypted backup, a command-line interface, and dark mode for comfortable use.
Manage notes, tasks, and projects offline with Markdown support. Enjoy encrypted storage, P2P syncing, and powerful dynamic collections across all devices, while allowing redistribution and modification for non-commercial uses.
Open-source, end-to-end encrypted backup and sharing for photos and videos, multi-platform sync, original quality preservation, privacy-first design, collaborative albums, family sharing, secure external sharing, robust data replication, and device imports.
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.
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.
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.
Manage and share files securely across devices with OneDrive. It offers 5 GB free storage, direct Office integration, automatic backups, and file sync for seamless collaboration. Ideal for personal and business use with advanced data protection tools.
Offers 15 GB free cloud storage for automatic photo and video backups, AI-powered editing tools, smart organization, duplicate cleanup, daily roll albums, locked folders, Google Lens, and easy sharing across devices with advanced security. Print services available in select regions.
PixelUnion is a privacy-focused, EU-based photo storage service alternative to Google Photos. It offers lossless uploads, free 16 GB starter storage, AI-powered face recognition, and more.
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For those who prefer FOSS, Nextcloud is the way to go. ownCloud is partially proprietary so they have a different philosophy.