Pixia is described as 'Freeware bitmap graphics editor program for Windows, created by Isao Maruoka. It was originally designed for the anime/manga community but has also been used in other branches of art' and is a digital painting tool in the photos & graphics category. There are more than 25 alternatives to Pixia for a variety of platforms, including Windows, Mac, iPhone, iPad and Linux apps. The best Pixia alternative is Paint.NET, which is free. Other great apps like Pixia are MyPaint, Clip Studio Paint, FireAlpaca and PaintTool SAI.