Flowchart, also called a "concept map," created with Inspiration, an educational diagraming program; used by students for planning, researching, and completing projects; can be viewed as a visual diagram or in a textual outline format.
Program(s) that open isf files
Mac / Windows: Inspiration Software Inspiration
Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/isf
