I've got an old Linksys WPC54G PC Card that works in 98 without any tweaking.
This person claims that Ralink RT61 based adapters work. https://cloakedthargoid.wordpress.com/win9x-wpa2/
Sadly not the first time I looked at a Samsung and mistook it for a Brother printer. The design of the front and of the paper tray are very similar.
I once had a Xerox scanner, it was really a Visioneer. Does Xerox make anything themselves anymore?
Openoffice 3.2 and NativeWinds Docx2Rtf can open docx files in win98
LibreOffice 3.3 also works but the installer gives some error messages.
Sumatra PDF 2.2.1 can read epub files.
All except Docx2Rtf require kernelex to work.