• Dropbox icon

    Dropbox

    Put your files into your Dropbox on one computer, and they'll be instantly available on any of your other computers that also have...

    Freemium macOS Windows Linux Web / Cloud Android iPhone ... Blackberry Chrome OS Windows RT Windows Phone iPad Kindle Fire

  • Google Drive icon

    Google Drive

    Google Drive is a file storage and synchronization service which enables user cloud storage, file sharing and collaborative editing. ...

    Freemium macOS Windows Web / Cloud Android iPhone Chrome OS ... Android Tablet iPad

  • Google Drive icon

    Google Drive

    Google Drive is a file storage and synchronization service which enables user cloud storage, file sharing and collaborative editing. ...

    Freemium macOS Windows Web / Cloud Android iPhone Chrome OS ... Android Tablet iPad

  • Google Drive icon

    Google Drive

    Google Drive is a file storage and synchronization service which enables user cloud storage, file sharing and collaborative editing. ...

    Freemium macOS Windows Web / Cloud Android iPhone Chrome OS ... Android Tablet iPad

  • Google Drive icon

    Google Drive

    Google Drive is a file storage and synchronization service which enables user cloud storage, file sharing and collaborative editing. ...

    Freemium macOS Windows Web / Cloud Android iPhone Chrome OS ... Android Tablet iPad

  • MEGA icon

    MEGA

    MEGA, successor of MegaUpload , is a cloud storage and file hosting service produced by Mega...

    Freemium macOS Windows Linux Web / Cloud Android iPhone ... Blackberry Android Tablet Windows Phone iPad Blackberry 10 Chrome Firefox

  • Microsoft OneDrive icon

    Microsoft OneDrive

    OneDrive (formerly known as SkyDrive) delivers a satisfactory online file storage and sharing solution in a free and easy to use...

    Freemium macOS Windows Web / Cloud Android iPhone Blackberry ... Chrome OS Windows RT Android Tablet Windows Phone iPad Apple Watch Android Wear Kindle Fire

  • Microsoft OneDrive icon

    Microsoft OneDrive

    OneDrive (formerly known as SkyDrive) delivers a satisfactory online file storage and sharing solution in a free and easy to use...

    Freemium macOS Windows Web / Cloud Android iPhone Blackberry ... Chrome OS Windows RT Android Tablet Windows Phone iPad Apple Watch Android Wear Kindle Fire

  • Resilio Sync  icon

    Resilio Sync

    Resilio Sync allows you to automatically sync files between computers via secure, distributed technology (P2P bittorrent protocol). ...

    Freemium macOS Windows Linux Android iPhone Android Tablet ... BSD Windows Phone iPad Kindle Fire

  • Resilio Sync  icon

    Resilio Sync

    Resilio Sync allows you to automatically sync files between computers via secure, distributed technology (P2P bittorrent protocol). ...

    Freemium macOS Windows Linux Android iPhone Android Tablet ... BSD Windows Phone iPad Kindle Fire

  • Resilio Sync  icon

    Resilio Sync

    Resilio Sync allows you to automatically sync files between computers via secure, distributed technology (P2P bittorrent protocol). ...

    Freemium macOS Windows Linux Android iPhone Android Tablet ... BSD Windows Phone iPad Kindle Fire

  • Box icon

    Box

    Box.com's online file storage makes it easy to securely share content as a link or a shared folder with anyone - inside or outside...

    Freemium macOS Windows Web / Cloud Android iPhone Blackberry ... Chrome OS Windows RT Android Tablet Windows Phone iPad Kindle Fire

  • Know any more alternatives to SpiderOak?

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  • Box icon

    Box

    Box.com's online file storage makes it easy to securely share content as a link or a shared folder with anyone - inside or outside...

    Freemium macOS Windows Web / Cloud Android iPhone Blackberry ... Chrome OS Windows RT Android Tablet Windows Phone iPad Kindle Fire

  • Box icon

    Box

    Box.com's online file storage makes it easy to securely share content as a link or a shared folder with anyone - inside or outside...

    Freemium macOS Windows Web / Cloud Android iPhone Blackberry ... Chrome OS Windows RT Android Tablet Windows Phone iPad Kindle Fire

  • CrashPlan icon

    CrashPlan

    CrashPlan lets you automatically back up your hard drive to another computer, for free. The paid version of CrashPlan offers secure...

    Freemium macOS Windows Linux Web / Cloud Android iPhone ... iPad

  • Seafile icon

    Seafile

    Seafile is a file hosting software system. Files are stored on a central server and can by synchronized with personal computers and...

    Open Source macOS Windows Linux Web / Cloud Android iPhone ... Android Tablet iPad Self-Hosted

  • SugarSync icon

    SugarSync

    SugarSync lets you synchronize, backup and remotely access files and folders across your PC or Mac. You can also remotely view files...

    Commercial macOS Windows Windows Mobile Android iPhone S60 ... Blackberry Windows RT Android Tablet iPad Microsoft Office Outlook Kindle Fire

  • SugarSync icon

    SugarSync

    SugarSync lets you synchronize, backup and remotely access files and folders across your PC or Mac. You can also remotely view files...

    Commercial macOS Windows Windows Mobile Android iPhone S60 ... Blackberry Windows RT Android Tablet iPad Microsoft Office Outlook Kindle Fire

  • Share this list of alternatives?

  • Yandex.Disk icon

    Yandex.Disk

    Files on Yandex.Disk won't get lost if your phone or computer breaks. You'll have enough storage space for your most precious...

    Freemium macOS Windows Linux Web / Cloud Android iPhone ... Windows RT iPad WebDAV File Manager

  • Yandex.Disk icon

    Yandex.Disk

    Files on Yandex.Disk won't get lost if your phone or computer breaks. You'll have enough storage space for your most precious...

    Freemium macOS Windows Linux Web / Cloud Android iPhone ... Windows RT iPad WebDAV File Manager

  • Tonido  icon

    Tonido

    #1 Private File Sharing, Sync and Mobile Access for Home and Business. Access, Sync and Share ALL your docs, photos, music and videos...

    Freemium macOS Windows Linux Web / Cloud Android iPhone ... Blackberry Windows RT Android Tablet Windows Phone iPad Self-Hosted Chrome Firefox

  • Tonido  icon

    Tonido

    #1 Private File Sharing, Sync and Mobile Access for Home and Business. Access, Sync and Share ALL your docs, photos, music and videos...

    Freemium macOS Windows Linux Web / Cloud Android iPhone ... Blackberry Windows RT Android Tablet Windows Phone iPad Self-Hosted Chrome Firefox

  • Syncany icon

    Syncany Discontinued

    Syncany is an open-source cloud storage and filesharing application. It allows users to backup and share certain folders of their...

    Open Source macOS Windows Linux

  • Bitcasa icon

    Bitcasa Discontinued

    Infinite storage seamlessly integrated into your desktop. Bitcasa is your external hard drive in the cloud that never runs out of...

    Commercial macOS Windows Linux Android Windows RT Android Tablet

  • Cubby icon

    Cubby

    Free yourself from limitations. 5GB online storage free. With Cubby, your stuff is shared across all your computers, tablets, and...

    Freemium macOS Windows Web / Cloud Android iPhone Android Tablet ... iPad

  • Cubby icon

    Cubby

    Free yourself from limitations. 5GB online storage free. With Cubby, your stuff is shared across all your computers, tablets, and...

    Freemium macOS Windows Web / Cloud Android iPhone Android Tablet ... iPad

  • Amazon Cloud Drive icon

    Amazon Cloud Drive

    Amazon Cloud Drive is your hard drive in the cloud. Store your music, videos, photos, and documents on Amazon's secure servers....

    Freemium macOS Windows Web / Cloud Android iPhone Android Tablet ... iPad Kindle Fire

  • Amazon Cloud Drive icon

    Amazon Cloud Drive

    Amazon Cloud Drive is your hard drive in the cloud. Store your music, videos, photos, and documents on Amazon's secure servers....

    Freemium macOS Windows Web / Cloud Android iPhone Android Tablet ... iPad Kindle Fire

  • Tresorit icon

    Tresorit

    Tresorit is a security solution for distributed storage systems, and with it a group of users can share secure content without...

    Freemium macOS Windows Linux Android iPhone Android Tablet ... Windows Phone iPad Blackberry 10

  • OwnDrive icon

    OwnDrive

    OwnDrive is a security and privacy oriented cloud storage service that gives access to people’s data anywhere, anytime and from any...

    Freemium macOS Windows Linux Web / Cloud Android iPhone ... iPad

  • pCloud icon

    pCloud

    pCloud is a free cloud service that will perfectly fit your needs. Use your files in your online storage space as if they were on...

    Freemium macOS Windows Linux Web / Cloud Android iPhone

  • Bvckup 2 icon

    Bvckup 2

    Simple fast backup for Windows. At a glance - small and very lean, very fast delta copier, excellent user interface, device tracking...

    Commercial Windows

  • Ind.ie Pulse icon

    Ind.ie Pulse Discontinued

    Pulse, officially-sanctioned fork of Syncthing , is a free, secure, and distributed file synchronisation engine. Synchronise your...

    Open Source macOS Windows Linux BSD OpenSolaris

  • AeroFS icon

    AeroFS

    AeroFS lets you synchronize your files without servers and build private cloud storage out of your own devices. How It Works We...

    Freemium macOS Windows Linux iPhone iPad

  • Koofr icon

    Koofr

    Koofr is the safe and simple way to store, backup and share your documents, photos, videos and more. Koofr offers safe EU based cloud...

    Freemium macOS Windows Linux Web / Cloud Android iPhone ... Android Tablet Windows Phone iPad

  • These alternatives are not yet approved, do you think they are alternatives?