Better Notes - Simple notes app that ties notes together with #hashtags
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.
Paper - Super-clean writing space with a lot of configurability that stays out of sight when you don’t need it.
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
ONLYOFFICE - ONLYOFFICE is a complete office and productivity suite.