ONLYOFFICE - ONLYOFFICE is a complete office and productivity suite.
LibreOffice - Free office suite, open source, and compatible with .doc, .docx, .xls, .xlsx, .ppt, .pptx files. Updated regularly – download for free. Originally based on OpenOffice.org.
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
LibreOffice - Writer - Open-source cross-platform word processor.
Apache OpenOffice - Apache OpenOffice is an open source, office document productivity suite.
Microsoft Word - Microsoft Word is a commercial word document processor for Windows.