Powerful privacy-respecting office suite, based on OpenOffice, compatible with Microsoft® Office. It has been in development since 2010, and is used by tens of millions of people around the world. It's backed by The Document Foundation, a non-profit organisation. Included: Writer (word processing), Calc (spreadsheets), Impress (presentations), Draw (vector graphics and flowcharts), Base (databases), and Math (formula editing).
