Here is a demo program and 55 alternate font sets that can be used in ISO mode.
Program cycles through all 55 sets and shows the usable characters on each Keypress.
These font's are from https://www.min.at/prinz/o/software/pixelfont/ and from my understanding of
U.S. Copyright law bitmap fonts are non-copyrightable and thus freely distributable.
Theres also a neat little Windows Font Editor at the above link which can not only edit these files but also export them as TruType Fonts.
HERES THE DEMO
SOME SCREEN SHOTS