If there’s any corporation out there that is backing open source and linux, that would be IBM. And their free office suite isn’t shabby either at all. Lotus Symphony allows you create documents, presentations and spreadsheets. It also works with ODF (OpenDocument Format) and Microsoft document formats.
The beauty of this is obviously that it’s free, but also the fact that it’s being offered by a large corporation. This allows you to know that there’s not only the support of the development staff, but the reliability. Lotus Symphony is also incredibly easy to use which assists IT in budget control along with ease of deployment.