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 Filen.
A Dropbox-like file manager that let you manage your data anywhere it is located: FTP, SFTP, WebDAV, Git, S3, Minio, Dropbox, Google Drive.
France
EU
SyncTrayzor is a wrapper for Syncthing which allows Syncthing's window to be hidden in the tray area. SyncTrayzor has a built-in web browser to manage Syncthing without opening your browser. SyncTrayzor can be configured to automatically start at PC startup.
Portable file server with accelerated resumable uploads, dedup, WebDAV, FTP, TFTP, zeroconf, media indexer, thumbnails++ all in one file, no deps.
Norway
SparkleShare is a Free Open Source syncing tool. Its light, secure and easy to use. SparkleShare allows you to setup your own servers so you always keep control on your data.
United States
Peergos is a secure and private online space where you can store, share and view your photos, videos, music and documents.
United Kingdom
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.
Store email, contacts, calendars, photos, music, books, apps and more in the cloud and access them on all your devices. iCloud also provides collaborative services for task management and notes and productivity apps for text documents, spreadsheets and presentations.
United States
Secure file sharing software with end-to-end encryption. Files are encrypted in-browser, and encryption keys are embedded in the URL, never sent to the server. This ensures file content remains private and inaccessible to third parties, including the software administrator and ISPs.
FranceEU
IrelandEU
Storj Object Storage is a distributed cloud object storage which is fully Amazon S3-compatible, globally distributed and encrypted.
United States
Open Source cloud file storage server (similar to Google Drive). Host myDrive on your own trusted server or platform, then access myDrive via your web browser. MyDrive uses mongoDB to store file/folder metadata and supports multiple databases to store file chunks, such as Amazon...
Comprehensive online system for individuals and organizations offering personal and shared drives, project tracking, integrated bookkeeping, staff and volunteer management, file sharing with permissions, real-time sync, audit tracking, event scheduling, and secure access.
United Kingdom
