When it comes to spreadsheets, many think Excel is the only game in town. But what if I told you there is a powerful, free alternative hiding in plain sight? LibreOffice Calc is a free open-source ...

For LibreOffice Impress, the presentation application, users can now insert 3D models in the gITF format. "To use this feature, go to Insert Object 3D Model," the LibreOffice 4.3 release notes say.