So you will take one? Note that is one dozen desktops. However if you want two, that's two dozen desktops. Just back your car / van up tomorrow and I'll throw them in.
LibreOffice and yes, OpenOffice before that. There was Abiword too as far as I remember and also the word "free" which I always spell in capitals, FREE.
Need to edit a PDF? Yes had to edit more than 100 and used LibreOffice, open the PDF with Writer (or think you have) and there in Draw is a perfectly editable PDF.
If it must, save as .docx but nice to be able to annoy some and use ODT. If good enough for Europe and NATO, good enough for me.