http://drakon-editor.sourceforge.net/ http://www.tersus.com/ http://www.sanscript.net/
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http://drakon-editor.sourceforge.net/ http://www.tersus.com/ http://www.sanscript.net/
http://www.jpaulmorrison.com/fbp/ http://withoutwritingcode.com/without-writing-code.html
origin - http://www.pipiscrew.com/?p=7962 flowchart