WebPlotDigitizer
Plot Digitizer
g3data
DataThief III
DigitizeIt
im2graph
Silkscientific UN-SCAN-IT
GraphClick
Highcharts
D3.js
Chart.js
Google Charts
AnyChart
Geckoboard
Plotly
ZingChart
WebPlotDigitizer
HighchartsWebPlotDigitizer 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
D3.js - D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG, and CSS.
g3data - g3data is used for extracting data from graphs.
Chart.js - Easy, object oriented client side graphs for designers and developers.
DataThief III - DataThief III is a program to extract (reverse engineer) data points from a graph.
Google Charts - Interactive charts for browsers and mobile devices.