Google Docs vs OpenOffice

Google Docs
Google Docs is a free, Web-based office suite, and data storage service. Documents, spreadsheets, presentations can be created with Google Docs, imported through the web interface, or sent via email. Documents can be saved to a user's local computer in a variety of formats. Google Docs serves as a collaborative tool for editing amongst in real time. If you are looking for self-hosted open-source Google Docs alternative, pay attention to ONLYOFFICE.
Compatible with other major office suites, Apache OpenOffice is free to download, use, and distribute. Writer a word processor you can use for anything from writing a quick letter to producing an entire book. Calc a powerful spreadsheet with all the tools you need to calculate, analyze, and present your data in numerical reports or sizzling graphics. Impress the fastest, most powerful way to create effective multimedia presentations.
Face to face in the news:

2011 - Google Cloud Connect is available for all to compete with OpenOffice

Google Cloud Connect - the plug-in that allows to collaborate on a document in Microsoft Word, Excel and PowerPoint, synchronizing changes via Google Docs, is now available to all comers. Recall, it appeared in November last year, but until now was available only in paid Google Apps accounts. Google Cloud Connect, of course, is free, because its main goal - is enticing users away from MS Office to Google Docs. But it allows to move in the opposite direction - to edit your documents stored in Google Docs using the MS Office editors. The video above shows how the plug-in works. Our review of the Google Cloud Connect - is here.