RawTherapee - RawTherapee is a free RAW converter and digital photo processing software.
GIMP - GIMP is a multiplatform photo manipulation tool.
Darktable - darktable is an open source photography workflow application and raw developer.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
digiKam - Professional Photo Management with the Power of Open Source
Capture One Pro - The professionals’ choice in RAW image editing software with support for more than 500 cameras. Get started with Capture One today with a 30-day free trial.