Dibuja 0.10.0

Simple to use paint program like Paintbrush for Mac or classic MS Paint, but for Linux.

Pinta 1.5

Pinta is a graphics drawing/editing program modeled after Paint.NET. It strives to be simple yet feature-rich, and runs cross-platform. Drawing tools include freehand, lines, rectangles, ellipses, and more. It allows unlimited layering, undo and redo history, over 35 image effects, and supports floating or MDI workspace layout.

AprilBrush 0.2.0

AprilBrush is a digital painting application with support for layers and pages, different brushes, its GUI implemented with Qt5/QML/JavaScript. It uses the OpenRaster format for its image files, but can also export to PNG. AprilBrush is best used with a pressure sensitive input device (graphics tablet).