MS Paint IDE - The most partially downloaded IDE on the internet
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.
Etherpad - Etherpad is a highly customizable Open Source online editor providing collaborative editing in...
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
Zoho Writer - Create. Review. Distribute
ONLYOFFICE - ONLYOFFICE is a complete office and productivity suite.