From this post, if I don't care about editability in others' computer, I might probably choose.
- Word Processor
- Libre Writer Or Markdown Or HTML Or Pug > MS Word
- I should try LaTeX to PDF.
- Google Sheet > Excel
- If it gets large, I would just use frontend + real database
- KeyNote (MacOS)
- Perhaps I should try Impress.js
So, MS Office for compatibility reasons. I do agree it looks sexy, though; but not that practical (and breaks between version).