LibRaw

LibRaw is a free and open-source software library for reading raw files from digital cameras.

It supports virtually all raw formats.

It is based on the source code of dcraw, with modifications,[4] and "is intended for embedding in raw converters, data analyzers, and other programs using raw files as the initial data.

"[5] LibRaw is available for Windows, macOS, Linux and FreeBSD.

[13] Software incorporating LibRaw includes Affinity Photo,[14] digiKam,[15] EasyHDR,[16] gThumb,[17] Gwenview, IrfanView,[18] KStars, OpenImageIO,[19] Siril,[20] and Topaz Studio.