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
Description: ImageOptim is a free app that losslessly optimizes images by removing extra metadata and making compression more efficient. It works with common image formats like JPG, PNG, GIF, and SVG.
Type: software
Pricing: Open Source