• 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

  • ownCloud icon

    ownCloud

    ownCloud gives you web services under your control. It is a self-hosted open source platform with file sync and sharing at its core...

    Open Source Mac Windows Linux Android iPhone Android Tablet ... iPad Self-Hosted

  • 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

  • SpiderOak icon

    SpiderOak

    SpiderOak provides an easy, secure and consolidated online backup, storage, access, sharing & sync tool for Windows, Mac OS X, and...

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

  • 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

  • 4Shared icon

    4Shared

    4Shared is a large online storage facility where Internet users store their text, audio, video, photo, and other files and share them...

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... S60 Blackberry iPad

  • 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 Twindocs?

    Suggest an application to this list
  • SparkleShare icon

    SparkleShare

    SparkleShare is a Free Open Source syncing tool. Its light, secure and easy to use. SparkleShare allows you to setup your own servers...

    Open Source Mac Windows Linux Self-Hosted

  • 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

  • ge.tt icon

    ge.tt

    Ge.tt is a clever, instant file-sharing webapp that makes sharing files simple and fast. No need to wait for files to upload! You are...

    Freemium Windows Web / Cloud

  • 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

  • Share this list of alternatives?

  • 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

  • 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

  • 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

  • CarotDAV icon

    CarotDAV

    CarotDAV is a Simple WebDAV / FTP / SkyDrive / DropBox / GoogleDrive / Box / SugarSync client for Windows OS, available free of...

    Free Windows

  • BoZoN icon

    BoZoN

    Minimalist Drag & drop file sharing app Drag, drop, share... Easy to install: just unzip on your server. Easy to config: just...

    Open Source Web / Cloud Self-Hosted

  • 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

  • CloudMe icon

    CloudMe

    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. ...

    Freemium Mac Windows Linux Android iPhone Chrome OS

  • 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

  • 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

  • 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

  • 4sync icon

    4sync

    4Sync is a service that makes all the files at your computer streamlined and stored in one place, but accessible anywhere you want....

    Commercial Mac Windows Linux Android iPhone S60 ... Blackberry iPad

  • OpenDrive icon

    OpenDrive

    OpenDrive is a remote drive for your computer, that allows you to store, sync, share, link, sell, advertise or back up files from your...

    Freemium Mac Windows Web / Cloud Android iPhone

  • DropboxPortableAHK icon

    DropboxPortableAHK

    DropboxPortableAHK is a portable version of the Dropbox client using AutoHotKey. What it does: Provides Dropbox version 1.1.45 ...

    Free Windows

  • Asus WebStorage icon

    Asus WebStorage

    ASUS WebStorage offers online storage with auto data backup for nearly 3 computers, auto data synchronization, and data sharing...

    Free Windows Linux Web / Cloud Android iPhone Windows Phone ... iPad

  • Freehold icon

    Freehold

    Freehold - An open, secure, and lightweight platform for your files and data. Lightweight and Fast: Freehold can run efficiently on...

    Open Source Mac Windows Linux

  • Qtd Sync icon

    Qtd Sync

    A graphical interface for the Rsync engine that will synchronise files between two computers either locally or over the internet. The...

    Open Source Windows Linux