Office Tools

LibreOffice is an open-source personal productivity suite. It is currently the first and probably the best free alternative to Microsoft Office, it includes six apps for document production and data processing: Writer (word processing), Calc (spreadsheets), Impress (presentations), Draw (vector graphics), Base (databases), and Math (formula editing). OpenDocument Format (ODF) is the native format compatible for reading and writing Microsoft Office files (.docx, .xlsx, .pptx).