It's also available in 21 languages and is supported on Linux, MacOS, BSD, Solaris 11/GNOME, and Windows. As with the other applications described in this article, those edits are "non-destructive"-that is, your original raw image is preserved no matter how many tweaks and modifications you make.ĭarktable imports raw images from more than 400 cameras plus JPEG, CR2, DNG, OpenEXR, and PFM images are managed in a database so you can filter and search using metadata including tags, ratings, and color. add watermarks crop and rotate and much more. Its 61 image operation modules allow you to adjust contrast, tone, exposure, color, noise, etc. Like the other applications on our list, darktable processes raw images into usable file formats-it exports into JPEG, PNG, TIFF, PPM, PFM, and EXR, and it also supports Google and Facebook web albums, Flickr uploads, email attachments, and web gallery creation.
If you're looking for more information about open source DAM software, check out Terry Hancock's article " Digital asset management for an open movie project," where he shares his research on software to organize multimedia files for his Lunatics! open movie project. All of them have DAM capabilities, but none has Lightroom's machine learning-based image categorization and tagging features. In this article, we'll look at three open source image processing applications: Darktable, LightZone, and RawTherapee.
Lightroom has two main functions: processing raw image files and digital asset management (DAM)-organizing images with tags, ratings, and other metadata to make it easier to keep track of them. But for many reasons-including its expensive, subscription-based pricing model and its proprietary license-there's a lot of interest in open source and other alternatives. For this, a digital image processing application is indispensable, and the go-to application has been Adobe Lightroom. While that might be valid in the point-and-shoot camera market, there are a sizeable number of photography professionals and hobbyists who recognize that a camera that fits in your pocket can never replace a high-end DSLR camera and the depth, clarity, and realism of its photos.Īll of that power comes with a small price in terms of convenience like negatives from traditional film cameras, the raw image files produced by DSLRs must be processed before they can be edited or printed. You wouldn't be wrong to wonder whether the smartphone, that modern jack-of-all-trades, is taking over photography.
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