RawTherapee

RawTherapee is a professional-grade raw photo processing system that delivers exceptional image quality without the price tag. Built on a 32-bit floating point processing engine, it offers non-destructive editing capabilities that preserve every detail of your original raw files.

Key Features:

• Advanced demosaicing algorithms including dual-algorithm processing on single images
• High Dynamic Range (HDR) DNG support for stunning dynamic range
• Multi-frame raw file processing with automatic ghost masking
• Professional correction tools including dark frame subtraction, flat field correction, and hot/dead pixel correction
• Cross-platform compatibility - works seamlessly on Linux, macOS, and Windows
• International support with availability in over 15 languages

The software excels at developing raw files from a broad range of digital cameras, making it perfect for both enthusiast photographers looking to expand their digital imaging knowledge and professional photographers who demand the highest quality results.

As free and open-source software, RawTherapee gives you complete freedom to use, modify, and distribute the program. The active community provides excellent support, documentation, and continuous improvements to help you master advanced photo processing techniques.