MediBang Paint is described as 'lightweight software for illustration and making comic books on Windows and Mac OS' and is a very popular digital painting tool in the photos & graphics category. There are more than 50 alternatives to MediBang Paint for a variety of platforms, including Windows, Mac, iPhone, Android Tablet and iPad. The best alternative is GIMP, which is both free and Open Source. Other great apps like MediBang Paint are Krita, Photopea, Procreate and MyPaint.
Inks and Pens is a natural media drawing app.
It reproduces the feelings of drawing tools: B&W pencils, coloured pencils, felt-tip pens, ball-point pens, fountain pens, oil pastels, inks ans brushes ….
JugiPaint is a painting software with diverse sets of tools for various types of illustration work. It provides many standard digital painting features like layers, brushes, selections, transformations, etc., as well as some less often like guide layers and panels.
gpaint (aka GNU Paint), a small-scale painting program for GNOME, the GNU Desktop Environment. gpaint does not attempt to compete with GIMP, it is just a simple drawing package based on xpaint, along the lines of Microsoft Paint.
PixelStyle Photo Editor for Mac is an all-in-one photo editing and graphic design software, providing professional high-quality photo processing tools to edit the photos, enhance and touch up photos on Mac OS X.
Tree Studio is a product born from TwistedBrush Pro Studio but with a focus on 2D tree creation with a simpler, streamlined interface. Tree Studio has pairs of brushes for each tree type - one for the frame and one for the leaves.