Free office suite with Writer, Calc, Impress, Draw and Base modules.
Writer - Text editor. Used to create and edit text documents.
Calc - Spreadsheet. Allows you to create, edit and analyze data.
Draw - Graphics module. Allows you to create and edit technical drawings, vector graphics and other graphic elements.
Base - Database module. Used to create and manage databases. Allows you to create forms, reports and queries.
Impress - Presentation software. Allows you to design and edit slides with text, graphics, animations and transition effects.