MyBrushes is described as 'Paint for Mac app allows you to paint on infinite canvas and PLAYBACK whole drawing' and is a Image Editor in the photos & graphics category. There are more than 100 alternatives to MyBrushes for a variety of platforms, including Windows, Mac, iPad, iPhone and Android Tablet. The best alternative is GIMP, which is both free and Open Source. Other great apps like MyBrushes are Krita, Adobe Photoshop, Paint.NET and Adobe Illustrator.
Krita is a professional Free and open source (FOSS) painting program. It is made by artists that want to see affordable art tools for everyone withith concept art, texture and matte painters, illustrations and comics.
Design quickly and confidently with Adobe Illustrator software. Sophisticated tools for drawing and typography, along with advanced color controls and creative effects, provide a comprehensive vector graphics environment.
MyPaint is a fast painting program with an emphasis on full-screen use. It lets you focus on the art instead of the program. You work on your canvas with minimum distractions, bringing up the interface only when you need it.
Pixlr® makes it easy to transform everyday images into stunning works of art. Whether you’re applying a quick fix to your photos or adding your personal touch with effects, overlays, or borders, Pixlr has everything you need to make your moments beautiful.
Pixelmator is a powerful, beautiful, and easy to use image editor. Featuring an elegant and streamlined single-window interface, it puts all the focus on the images you edit, rather than what's around them.