PaintTool SAI 2.5.6 for Mac can be downloaded from our website for free. You can launch PaintTool SAI on Mac OS X 10.5 or later. This software for Mac OS X was originally produced by Porting Team. The bundle identifier for this application is PaintTool SAI.Wineskin.prefs. The most popular versions among the program users are 2.5 and 1.1. Our built-in antivirus checked this Mac download and rated it as 100% safe. The software lies within Design & Photo Tools, more precisely Viewers & Editors.
From the developer:
Paint tool is an industrious and small tool similar to photoshop but awsome for manga and anime images as well as other photo editing.
This is PaintTool SAI running on Mac OS X via a self contained Wine wrapper. Get this free tool from sourceforge page
You may want to check out more software for Mac, such as SAIS or Paint Tool, which might be similar to PaintTool SAI.