Libre Office

LibreOffice is a free and open source office suite, developed by The Document Foundation. It is descended from Open Office, from which it was forked in 2010. LibreOffice is the power-packed free, libre and open source personal productivity suite for Windows, Macintosh and GNU/Linux, that gives you six feature-rich applications for all your document production and data processing needs:

1. Writer,
2. Calc,
3. Impress,
4. Draw,
5. Math and
6. Base.

Support and documentation is free from a large, dedicated community of users, contributors and developers.

Download Libre office for free here.