RollApp has launched its free beta OpenOffice on iPad online service, available at http://www.rollApp.com/OpenOffice . The company is developing technology that moves existing applications to the cloud.

OpenOffice on iPad will purportedly enable rollApp users to run any existing software on any device that has a browser. The user doesn't have to install anything because the service works via browser, providing an experience almost identical to applications installed locally.

Apache OpenOffice is an office software suite for word processing, spreadsheets, presentations, graphics and more. It stores all data in an international open standard format and can also read and write files from other common office software packages, including Microsoft Office. OpenOffice is open source software, so users of the rollApp service won't face licensing risks, , according to Vlad Pavlov, rollApp founder and CEO.

rollApp is integrated with popular cloud storage providers such as Dropbox, Box (former Box.Net) and Google.Docs. Because of this, users can work directly with all of the files they host in the cloud.

While in the beta phase, the rollApp service is free. Currently, rollApp is building its server capacity. Once registered, a user may have to wait before her account is activated.