What are some alternatives?
When comparing LibreOffice - Writer and Microsoft Word, you can also consider the following products
Google Drive - Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.
Apache OpenOffice Writer - Open-source word processor of the Apache OpenOffice suite.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Notion - Notions big update, now with Evernote import and web clipper
PDFelement - All-in-one PDF editor
AbiWord - AbiWord is a free software word processor.