Dropbox gives you secure access to all your files. Collaborate with friends, family, and coworkers from any device. Back up files - From photos and videos to presentations and tax paperwork, Dropbox Basic helps you keep all your most important—and irreplaceable—files safe: File sync: Back up anything by storing it in the Dropbox folder on your computer. And with our desktop and mobile apps, you can automatically upload photos and videos to Dropbox from your phone, camera, or SD card.

ownCloud is a suite of client–server software for creating and using file hosting services. ownCloud functionally is a software similar to Dropbox, used to file sync and share