Adobe Lightroom seems pretty popular.

DSLRS Are a Dying Breed – 3rd Gen Cameras are the Future seems to recommend the Nikon V1 for right now, although the author is waiting.

Here are two sites that provides interesting comparisons:

• 2cameraguys: Sony Cyber-shot DSC-RX100 (RAW) vs.Sony Cyber-shot DSC-HX50V (GPS).
• snapsort: Sony Cyber-shot DSC-RX100 vs. Canon Rebel T3.

As seen on October 31, 2013 on Tekzilla.

• darktable (Like Lightroom.)
• Raw Therapee (Better for Batch processing.)
• LightZone (As recommended by LifeHacker.)
• Google+ supports RAW, and suggests the best photos
• Apple's Aperture competes with Lightroom.