Drawing is a free and open-source Microsoft Paint-like image editor for Linux. Using this you can do simple and quick image editing works. It comes with Pencil, Line, Arc, rectangle, circle, oval, polygon, free shape, Color picker, and Paint tools.…
Pinta is a free and open source drawing and image editing program for Linux, Mac, and Windows. It is a light weight Paint.NET image editing application. It comes with freehand drawing, layers support, color picker, lines, rectangles, ellipses, lasso tool, magic wand tool, clone stamp and recolor. It comes more 35 effects and adjustments settings like black and white, invert color, sepia, curves, pencil sketch, oil painting and ink sketch.
Pinta is a free and easy to use drawing and image editing application for Linux , BSD, Windows and MacOS. You can install it in your Ubuntu Linux system via terminal application easily. It is available via Ubuntu default repositories, snap package and flatpak package.