Observed arrival · 2026-10-12
SpektraLab turns RAW files into modeled darkroom prints
A free, open-source macOS app that develops RAW photos through film and paper simulations intended to model a darkroom print.
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- Mac photographers developing RAW files for print
- Worth noticing
- The page lists 24 film stocks and nine papers, with profiles described as measured.
Field notes
The page organizes controls by stage: format, grain, and halation sit before development; the enlarger filter pack and paper controls follow; grading applies to the scan. It says the app includes 24 film profiles and nine paper profiles, and that selecting a film pairs it with a paper. The listed download targets macOS 15 or later on Apple silicon; the source and release links are also visible.
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Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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