Lisa did a good roundup on five applications focused on image editing and organizing photos here. Among the applications she took note of, Shotwell is a very popular photo organizer for the GNOME desktop environment. Meanwhile, DigiKam is a rich application with slick editing tools, and you can use it to organize photo libraries.
Cooliris. Among photo junkies, Cooliris is almost universally lauded. Kristin covered the Linux version here. It’s a browser plug-in designed to enhance your photo and video browsing experience. You can use it to panoramically soar through photo collections, and it works great for navigating photo and video collections found online.
Go GIMP. If you’ve spent any time working with photos and graphics–whether you favor open source software or not–you’re probably familiar with the power of GIMP, one of the very best open source graphics applications. In this post, we rounded up five free, educational resources for getting started with GIMP and becoming an expert user.