LibreOffice is the free, power-packed, Open Source personal productivity suite for GNU/Linux, Macintosh, and Windows distributions that provides you with six (6) feature-rich applications for the entiretreatment your documents, as well as to cover the needs managementof your data:
What the app contains:
Writer Word Editor, Calc Spreadsheet, Slide Show application Impress, the Draw program, the Management program mathematics types and Math Calculations and, finally, the Base Database application.
Provided free Support and Documentation, from the huge and enthusiastic user community, from the various contributors and, of course, from the developers themselves. Even you too can participate as per the official website (link below).
The company has just officially announced the release of LibreOffice 5.1.3. Those who want the new app can download it from links that exist at the end of the release.
Notes:
When installing LibreOffice, you will need to download and install the help files separately.
It may sound annoying, but the help files are not that important. So you can also avoid installing them if you do not find it absolutely necessary.
Download the application (choose language and platform from the official website you will find in the link below)