Based on our record, UFRaw seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Why not just use https://www.rawtherapee.com/ or https://www.darktable.org/ to process raw files? You can still export from these as .xcf or tiff for further work in gimp if you like. Otherwise ufraw can be used as a plugin http://ufraw.sourceforge.net/ Https://digital-photography-school.com/opening-raw-images-in-gimp-with-ufraw-for-windows-the-basics/ (you mention "are only on linux" but don't mention your OS. Source: over 2 years ago
Pixelmator - Pixelmator is an image-editing application for Mac and iPad.
Darktable - darktable is an open source photography workflow application and raw developer.
Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.
airnef - Wireless download from your Nikon Camera!
Xara Designer Pro - Discover the only software you need for all your creative work: Powerful illustration and photo editing tools, flexible page layout and unrivalled WYSIWYG web design.
RawTherapee - RawTherapee is a free RAW converter and digital photo processing software.