darktable
Description: darktable is an open source photography workflow application and raw developer. It manages your digital negatives in a database, lets you view them through a zoomable lighttable, and enables you to develop raw images and enhance them.
Type: software
Pricing: Free
Sunflow Rendering System
Description: Sunflow is an open source photo-realistic rendering system for generating high-quality images using ray tracing. It is designed to efficiently render global illumination, caustics, motion blur and depth of field effects.
Type: software
Pricing: Free