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rand grail visual dataflow | by fo.ol
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rand grail visual dataflow

This is the first visual dataflow programming environment, 1968. Direct manipulation, drag-to-resize, handwriting recognition, dataflow programming.

 

I couldn't find a screenshot online, so I pulled this from www.archive.org/details/AlanKeyD1987

 

More on GRAIL: c2.com/cgi/wiki?GrailSystem

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Uploaded on March 11, 2012