ownCloud is described as 'Self-hosted platform for secure file sync, sharing, calendar, and contact management with desktop, mobile, web access, and multi-device syncing' and is a leading Cloud Storage service in the backup & sync category. There are more than 100 alternatives to ownCloud for a variety of platforms, including Web-based, Windows, Mac, Linux and Android apps. The best ownCloud alternative is Nextcloud, which is both free and Open Source. Other great apps like ownCloud are Dropbox, Google Drive, MEGA and Proton Drive.
All you need in a team collaboration tool dedicated to small efficient teams. Chat, notes, drive, online collaborative edition, calendars, news, spaces, notifications...
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.
woelkli is a service that provides secure cloud storage hosted in Switzerland. Save, view, edit and share your files from anywhere in the world, from any device
Share and manage content, knowledge, and applications to empower teamwork, quickly find information, and seamlessly collaborate across the organization.
Librevault is an open-source peer-to-peer file synchronization program, designed with convenience and privacy in mind. Our goal is to make a better alternative to BitTorrent Sync and Syncthing.
Self-hosted file management and sharing system, supports multiple storage providers.
fruux is a free service that takes care of your contacts, calendars and more so you don't have to. Never manually copy contacts and calenders between your devices again!
Expanded storage, access to Google experts, and more — in one shareable plan.
Syncany is an open-source cloud storage and filesharing application. It allows users to backup and share certain folders of their workstations using any kind of storage, e.g. FTP, Amazon S3 or Google Storage.
OwnCloud is groupware. Syncany is a file-sync storage solution. Just because they have overlapping functionality, does NOT make them interchangeable.
e2ee-cloud is a open source, self-hosted, end-to-end encryption software. You can upload and download files in your browser. All files and folders will be encrypted before upload and decrypted after download.
CloudMe is a free and open service to sync, store and make all your files available in the cloud through an easy to use Blue Folder.
Kiteworks Secure File Sharing is a software offering a platform for secure collaboration, virtual data rooms, managed file transfer, and SFTP.
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OwnCloud is groupware. Librevault is a file-sync storage solution. Just because they have overlapping functionality, does NOT make them interchangeable.