LibreOffice is a powerful office suite that is fully compatible with 32/64-bit systems. Translated into more than 30 languages. Supports most popular operating systems, including GNU / Linux, Microsoft Windows and Mac OS X. LibreOffice programs are a free set of programs similar in functionality to Microsoft Office: Writer - word processor; Calc - spreadsheets; Impress - creation and viewing of multimedia presentations; Draw - the editor of vector graphics; Math is the editor of mathematical formulas. One of the extremely positive qualities is the ability of all these applications to work with the corresponding ,of the MS Office formats