Fonts used by the PalShade site, self-hosted (Latin subset, WOFF2).

Instrument Serif   Copyright 2022 The Instrument Serif Project Authors
Instrument Sans    Copyright 2022 The Instrument Sans Project Authors
DM Mono            Copyright 2020 The DM Mono Project Authors

All three are licensed under the SIL Open Font License, Version 1.1.
Full text and FAQ: https://openfontlicense.org

The fonts are unmodified apart from the subsetting and WOFF2 packaging applied by
their distributor. They are not sold by themselves.