Krita is a complete creative sketching and painting application with advanced, commercial quality features. It's open-source and available across all major desktop platforms. Krita is free on the official website and paid on Steam and Microsoft Store: the money will support Krita development. User Interface - An intuitive user interface that stays out of your way. The dockers and panels can be moved and customized for your specific workflow.
- There isn't anything else exactly like paint.net, but Krita comes the closest in terms of features and ease of use. It's relatively intuitive, has various customization options, and is sufficient for basic photo editing and more advanced image manipulation and drawing.
- It's a painting program, not a photo editing program
- Painting software, not photo editing