VIGraph
It draws a diagramms from your txt-data files.
It scales your diagramms automatically or manually.
You can open as much txt-files as you need simultaneously.
Columns in the txt-files can be divided by commas, tabulators or semicolons
Data extraction from a graphical image where the data used to produce that image is unavailable. Provides tools overlaying the image to extract graph values, distances, areas, angles, or color values. Values can be saved to XLS or TXT files.
