확실히, Microsoft Office은 멋집니다.

LibreOffice is an integrated office suite based on copyleft licenses and compatible with most document formats and standards. Libreoffice is backed by The Document Foundation, which represents a large independent community of enterprises, developers and other volunteers moved by the common goal of bringing to the market the best software for personal productivity. LibreOffice is open source, and free to download, use and distribute.

Create and edit Word, Excel, PowerPoint, and PDF files seamlessly and easily with Writer, Spreadsheet, Presentation, and the PDF toolkit. WPS Office is a free alternative to Microsoft Office that enhances your productivity.