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
Drawisland
Description: Drawisland is a free, open-source, cross-platform drawing and painting application. It has a simple and intuitive interface allowing users to easily create digital artworks. Key features include layers, advanced brushes, filters and effects.
Type: software
Pricing: Open Source