SpiderOak provides an easy, secure and consolidated online backup, storage, access, sharing & sync tool for Windows, macOS, and Linux (Ubuntu, Debian & Fedora). SpiderOak offers a different approach to online backup, synchronization, and sharing.

CmisSync is described as 'Securely syncs files and folders to your enterprise file server (on-premise or private cloud), rather than to a public cloud' and is a File Sync tool in the backup & sync category. There are more than 100 alternatives to CmisSync for a variety of platforms, including Windows, Web-based, Mac, Android and iPhone apps. The best CmisSync alternative is Google Drive, which is free. Other great apps like CmisSync are MEGA, Microsoft OneDrive, ownCloud and Resilio Sync .
SpiderOak provides an easy, secure and consolidated online backup, storage, access, sharing & sync tool for Windows, macOS, and Linux (Ubuntu, Debian & Fedora). SpiderOak offers a different approach to online backup, synchronization, and sharing.

End-to-end encrypted file synchronization and sharing on desktop and mobile, featuring admin controls, auditing, link-based sharing, two-factor authentication, offline access, granular permission management, and protection for sensitive workplace documents.




Icedrive is a cloud storage, backup and file sharing service with browser, desktop and mobile apps.
The Icedrive desktop application allows users to mount their cloud storage space as a real hard drive.


Offers cloud file storage with end-to-end encryption, automated backup, and multi-device sync. Includes zero-knowledge privacy, password-protected sharing, permissions, and collaboration features. Large file support, offline access, file recovery, and Canadian privacy compliance.




Yandex Disk is a free cloud storage service that gives you access to your photos, videos and documents from any internet-enabled device. Download the app to your phone or tablet and you'll literally be able to carry your files with you everywhere.




4Shared is a large online storage facility where Internet users store their text, audio, video, photo, and other files and share them, if they wish, with other people. It is easy, handy, and free! 15GB storage for the free account.




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.


SugarSync is the best way to backup, access, sync, and share all your files and folders including documents, photos, videos, and music — from any computer or mobile device.




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.




A Dropbox-like file manager that let you manage your data anywhere it is located: FTP, SFTP, WebDAV, Git, S3, Minio, Dropbox, Google Drive.




Storj Object Storage is a distributed cloud object storage which is fully Amazon S3-compatible, globally distributed and encrypted.




Secure cloud backup supporting iPhone, Android, Windows, and more. Featuring quick backups, 256-bit encryption, data protection, and full remote management with file recovery and archiving options.



