There are lots of animation software were available on the web. The most popular alternative is Krita, which is both free and Open Source.If that doesn't suit you, our users have ranked more than 50 alternatives to PaintTool SAI so hopefully you can find a suitable replacement. Professional, free, and open-source raster graphics editor with advanced. Alternatives for the Mac include Acorn and Pixelmator. Paint Tool SAI FOR MAC, PaintTool SAI is only available for the Windows operating system. Pylam roller covers for smooth surface painting, a 9 In. Metal tray with ladder lock legs, two 3/8 in. Everything you need to complete your entire paint project for one low price. See more ideas about paint tool sai, sai brushes, painting tools. It is the best alternative to paint tool sai for mac with pen pressure support. The power you need, the intuitive simplicity you love. 50 kinds of background templates in template Library. Share your paint artworks to facebook, twitter, email, and so on. What Are Good Alternatives To Paint Tool Sai For Mac Os.What Are Good Alternatives To Paint Tool Sai For Mac.