WebPlotDigitizer is recommended for researchers, scientists, data analysts, and students who frequently need to extract data from published graphs and charts. It is particularly useful in fields such as biology, engineering, physics, and any other areas where visual data needs to be quantitatively analyzed.
Plot Digitizer - All-in-One Tool to Extract Data from Graphs, Plots & Images
Xming - An X Window System Server for Microsoft Windows.
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DigitizeIt - Sometimes it is necessary to extract data values from graphs, e.g.
X410 - X Server for Windows 10