GraphClick
g3data
WebPlotDigitizer
DataThief III
Silkscientific UN-SCAN-IT
im2graph
jTechDig
Plot Digitizer
Socket for Python
Kite
Sourcery
GraphClick
Socket for Pythong3data - g3data is used for extracting data from graphs.
Kite - Kite helps you write code faster by bringing the web's programming knowledge into your editor.
WebPlotDigitizer - WebPlotDigitizer - Web based tool to extract numerical data from plots, images and maps.
Sourcery - Sourcery reviews your code everywhere you work and automatically suggests improvements
DataThief III - DataThief III is a program to extract (reverse engineer) data points from a graph.
Silkscientific UN-SCAN-IT - Digitizing Software converts graph image files to usable (x,y) data automatically