A curated list of digital specimens
of the highest quality. Updated daily.
SKWAR is a very square, monospaced variable font with weight and width axes. The specimen has a very nice feature of mapping the width axis to music for a nifty equaliser.
Inter has been featured here before, but the samples page is something special. A LONG list of typeset examples showing potential usage. This mapping of features of the typeface to real-world examples is really useful in evaluation.