Dropbox is a file hosting service that offers cloud storage, file synchronization, and personal cloud. Dropbox allows users to create a special folder on their computers, which Dropbox then synchronizes so that it appears to be the same folder (with the same contents) regardless of which device is used to view it. Files placed in this folder are also accessible via the Dropbox website and mobile apps. Dropbox uses a freemium business model, wherein users are offered a free account with a set storage size and paid subscriptions for accounts with more capacity.
Box, is an online file sharing and content management service for businesses. The company uses a freemium business model to provide cloud storage and file hosting for personal accounts and businesses. Official clients and apps are available for Windows, Mac OSX, and several mobile platforms. Box provides file-sharing, collaborating, and other tools for working with files that are uploaded to its servers. Users can determine how their content can be shared with other users. Users may invite others to view and/or edit an account's shared files, upload documents and photos to a shared files folder (and thus share those documents outside of Box), and give other users rights to view shared files.
FreeFileSync is a free and open source program used for file synchronization. It is available on Windows, Linux and OS X. FreeFileSync works by comparing one or multiple folders on their content, date or file size and subsequently synchronizing the content according to user-defined settings.
Google Drive is a file storage and synchronization service created by Google. It allows users to store files in the cloud, share files, and edit documents, spreadsheets, and presentations with collaborators. Google Drive encompasses Google Docs, Sheets, and Slides, an office suite that permits collaborative editing of documents, spreadsheets, presentations, drawings, forms, and more. Freemium: 15 GB storage.
YouTube is an American video-sharing website. The site allows users to upload, view, rate, share, and comment on videos, and it makes use of H.264/MPEG-4 AVC, WebM and Adobe Flash Video technology to display a wide variety of user-generated and corporate media videos. Available content includes video clips, TV show clips, music videos, audio recordings, movie trailers, and other content such as video blogging, short original videos, and educational videos. Unregistered users can watch videos, and registered users are permitted to upload an unlimited number of videos and add comments to videos.