Doxygen - Generate documentation from source code
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
Docsify.js - A magical documentation site generator.
Apache OpenOffice - Apache OpenOffice is an open source, office document productivity suite.
GitBook - Modern Publishing, Simply taking your books from ideas to finished, polished books.
SSuite Office - SSuite Office is called to be one of the most accomplished software developers for both beginners and professionals alike.