LibreOffice x86 x64 (Best MS Office Alternative)

Features
1.Includes Writer, Calc, Impress, Draw, Base, Math, and a PDF file creator
2.Available in over 30 languages with more being added continually
3.Simple-to-use yet powerful interface that is easy to personalize
4.Compatible with all major competitors' file formats, easily import and export
5.LibreOffice is supported by worldwide community
6.Stable and functional product with roots going back 20 years and testing done by thousands of users and security experts