github.com/ajstarks/dchart (go): Package dchart - make charts in the deck format  Package dchart generates deck markup for bar, line, dot, and volume charts, reading data from the standard input or specified files. Unless specified otherwise, each input source generates a slide in the deck.  The input data format a tab-separated list of label,data pairs where label is an arbitrary string, and data is intepreted as a floating point value. A line beginning with "#" is parsed as a title, with the title text beginning after the "#". A third column specifies an annotation.  Here is an example input data file:  The command line options are:
Keywords: api|chart|deck|go|golang|visualization