OpenOffice is a multiplatform and multilingual office suite. Compatible with all other major office suites, available for many different operating systems including Linux, Microsoft Windows, Solaris, OpenVMS, IRIX and Mac OS X.

SIAG Office is a tightly integrated, free office package. It consists of the spreadsheet Siag, the word processor PW, the animation program Egon, the text editor XedPlus, the file manager Xfiler and the previewer Gvu.