Computer giant IBM yesterday released a free office suite for Windows and Linux machines called Lotus Symphony. Symphony is available from the Symphony website which requires users to register and be logged on to download the software. Symphony is made up of three applications: Lotus Symphony Documents, Lotus Symphony Spreadsheets and Lotus Symphony Presentations. Lotus Symphony supports multiple file formats including Microsoft Office and ODF (Open Document Format), and can also output content in PDF format. Symphony is available for both Linux and Windows platform and houses much of the same technology as IBM's enterprise-grade Lotus Notes 8 product.