Apache OpenOffice - Apache OpenOffice is an open source, office document productivity suite.
AbiWord - AbiWord is a free software word processor.
Caret - Better Markdown Editor for Mac / Windows / Linux
LibreOffice - Writer - Open-source cross-platform word processor.
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
iA Writer - Minimal Design, Maximum Focus