• Dropbox icon

    Dropbox

    Worlds leading online storage and file sync service. You get 2GB free. Apps for all major platforms.

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

  • MEGA icon

    MEGA

    You hold the security keys for 50 GB free storage, unlimited desktop sync bandwidth, and 10 GB per month of free bandwidth for sharing...

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

  • Microsoft OneDrive icon

    Microsoft OneDrive

    Get to your files from anywhere, on any device, with Microsoft OneDrive. Share and work together with anyone in your work and life.

    Freemium Mac 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

    Resilient, fast and scalable file synchronization for enterprises and individuals

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

  • Seafile icon

    Seafile

    Seafile is a professional open source cloud storage platform for organizations. It has complete file syncing and sharing features...

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... Android Tablet iPad Self-Hosted

  • SugarSync icon

    SugarSync

    SugarSync is the best way to backup, access, sync, and share all your files and folders including documents, photos, videos, and music...

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

  • 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 Mac 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 Mac 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 Mac Windows Linux

  • Know any more alternatives to SpiderOak?

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  • 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 Mac 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 Mac 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 Mac 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...

    Commercial Mac 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 Mac Windows Linux Web / Cloud Android iPhone ... iPad

  • pCloud icon

    pCloud

    pCloud is your personal online storage space for your memorable photos and videos, your favorite music or important work documents.

    Freemium Mac Windows Linux Web / Cloud Android iPhone

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  • 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

  • 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 Mac Windows Linux iPhone iPad

  • Koofr icon

    Koofr

    Koofr offers safe EU based cloud storage with 2 GB free. Connect multiple cloud accounts (Dropbox, Google Drive, OneDrive, Amazon...

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

  • BackBlaze icon

    BackBlaze

    Online backup for $5 month unlimited space. Backblaze backup encrypts and uploads all your data – no questions asked. No picking...

    Commercial Mac Windows

  • Ind.ie Pulse icon

    Ind.ie Pulse Discontinued

    Pulse is a free (as in freedom), secure, and distributed file synchronisation engine in Go and Swift.

    Open Source Mac Windows Linux BSD OpenSolaris

  • Syncplicity icon

    Syncplicity

    The only automated sync, back-up, collaboration and file management service powerful enough for a business user and easy enough for a...

    Freemium Mac Windows Web / Cloud Android iPhone iPad

  • Storage Made Easy icon

    Storage Made Easy

    The SME Enterprise File Share and Sync Solution provides a comprehensive control and management solution to enable secure cloud...

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... Java Mobile Blackberry Windows Phone iPad Facebook Wordpress Microsoft Office Suite

  • IPFS icon

    IPFS

    IPFS is a global, versioned, peer-to-peer filesystem. It combines good ideas from Git, BitTorrent, Kademlia, SFS, and the Web. It is...

    Open Source Mac Windows Linux BSD Self-Hosted

  • BoZoN icon

    BoZoN

    A self-hosted PHP server for a JavaScript application to easily share files and folders.

    Open Source Web / Cloud Self-Hosted JavaScript PHP

  • IDrive icon

    IDrive

    Get 5 GB of full featured Online Backup for free. Features include Automatic Backup, True Archiving, Versioning, Continuous Backup...

    Freemium Mac Windows Web / Cloud Android iPhone iPad

  • Samepage icon

    Samepage

    With Samepage, you can put all your project information on one page and collaborate with your team in real time. Samepage brings...

    Freemium Mac Windows Web / Cloud

  • TeamDrive icon

    TeamDrive

    Sync & share your files easily & securely with 256 bit AES end-to-end encryption, using the award-winning TeamDrive utilizing...

    Freemium Mac Windows Linux Android iPhone Android Tablet ... iPad

  • hubiC icon

    hubiC

    HubiC allows you to store and secure your data in the Cloud. You decide how and with who you want to share your files. Imagine: you...

    Free Mac Windows Linux Web / Cloud Windows Mobile Android ... iPhone Blackberry Android Tablet iPad

  • CmisSync icon

    CmisSync

    CmisSync synchronizes files to/from any enterprise file server. It looks very much like Dropbox, but synchronizes with an existing...

    Open Source Mac Windows Linux

  • Remote Utilities icon

    Remote Utilities

    Remote Utilities is a remote PC access program for connecting to a remote PC over LAN or via the Internet. The program is used by...

    Freemium Windows Android iPhone

  • Sync.com icon

    Sync.com

    Sync makes it easy to store, share and access your files from everywhere - your privacy guaranteed. Get 5GB free or 500GB Pro account...

    Freemium Mac Windows Web / Cloud Android iPhone iPad

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