Tails includes LibreOffice, a powerful office suite which embeds several tools:

  • Writer, a word processor
  • Calc, a spreasheet application
  • Impress, a presentation engine
  • Draw, a drawing and flowcharting application
  • Math, for editing mathematics

To start LibreOffice choose Applications ▸ Office ▸ LibreOffice.

The LibreOffice website provides complete user guides for each of these tools, translated into several languages.