These are the files that have been issued by Bethesda themselves.
The official demo for Daggerfall. I have not played it myself and can say nothing about it.
This one is really essential. Don't be irritated by the creation date; I zipped it up myself, so the exe carries the date when I downloaded it.
Fixsave is a utility designed to fix problems with people's save games. It repairs a multitude of problems that Daggerfall creates in your game.
The famous patch that adds some more, and more interesting, quests.