Adobe Lightroom is not available for Linux but there are some alternatives that runs on Linux with similar functionality. The best Linux Image Editor alternative is darktable, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Adobe Lightroom and seven of them are Image Editors available for Linux so hopefully you can find a suitable replacement. Other interesting Linux Image Editor alternatives to Adobe Lightroom are RawTherapee, digiKam, RapidRAW and Corel AfterShot Pro.
Complete Raw processing suite. Best free open source solution