.LRCAT

.LRCAT file extension

This is the basic program to work with .LRCAT extension

Adobe Photoshop Lightroom

Adobe Photoshop Lightroom

Adobe Photoshop Lightroom CC is a program that allows you to create amazing images from challenging high-contrast scenes. The HDR merge feature lets you combine multiple photos taken with different exposure settings into a single high dynamic range image. You can organize, edit and share your photos from anywhere — on your computer, on the web, on your iPad and on your iPhone or Android devices... (more)

The program works with the following extensions: lrdb, lrcat, lrweb, aglib, lrmodule, agmodule, agtoolkit and lrtoolkit