ownCloud is a software system for what is commonly termed “file hosting“. As such, ownCloud is very similar to the widely-used Dropbox, with the primary difference being that ownCloud is free and open-source, and thereby allowing anyone to install and operate it without charge on a private server, with no limits on storage space (except for hard disk capacity) or the number of connected client

ownCloud is software for cloud storage, data syncing and sharing. It enables people to have their files, events, contacts, and more stored in a central location and accessible across platforms and devices. Project ideas include development of apps, design, documentation and acceptance tests. Most of the coding is done in PHP for the server backend and JavaScript for the frontend.

In order for desktop machines to synchronize files with their ownCloud server, desktop clients are also available for PCs running Windows, OS X, or Linux. Mobile clients also exist for iOS and Android devices. Files and other data (such as calendars, contacts or bookmarks) can also be accessed using a web browser without any additional software. Any updates to files are pushed between all computers or mobile devices connected to a user’s account.

The ownCloud server is written in the scripting languages PHP and JavaScript. For remote access, it employs SabreDAV, an open-source WebDAV server. ownCloud is designed to work with several database management systems, including SQLite, MariaDB, MySQL, Oracle Database, and PostgreSQL.


  • File storage in conventional directory structures or via WebDAV
  • Cryptography
  • Synchronization of clients running Windows (Windows XP, Vista, 7 and 8), Mac OS X (10.6 or better), or Linux
  • Calendar (also as CalDAV)
  • Task scheduler
  • Address book (also as CardDAV)
  • Music streaming (through Ampache)
  • User and group administration (via OpenID or LDAP)
  • Sharing of content across groups or public URLs
  • Online text editor with syntax highlighting and code folding
  • Bookmarking
  • URL shortening Suite
  • Photo gallery
  • PDF viewer (using PDF.js)
  • Viewer for ODF Files (.odt, .odp, .ods)
  • Logging Module: supports logging of file-related actions, logs, who accessed what, when and from where. (Only available in the ownCloud Business, Enterprise and Education Edition.

ownCloud : http://owncloud.org


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