New answers tagged lightroom-catalog
Lightroom uses, or can use and generate, XMP Sidecar files there are a number of free &/or open source applications that can do the same: ExifTool by Phil Harvey, open source Perl module or command line. Can read/write XMP, supports custom XMP schema (platform independent) Exiv2 - Open Source C++ library and command line utility to manage image ...
Lightroom's catalogs are SQlite databases, so it should be possible to create them in other programs.
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