ManyFonts is a fontdirectory type thing for people with lots of fonts which, seeing as youre on the Internet, probably includes you. With this program all your fonts, just like gas cookers, are easily turn on and offable. You can do the sorts of things with it you can do with commercial products like EasyFont only much, much less. But hey, its free. It does what I needed, anyway. ManyFonts requires RiscOS 3.10 or later.

Website: http://utter.chaos.org.uk/~pdh/software/manyfont.htm