Graph And Plot Digitizer

DISLIN for JAVA
Free - MPI fuer Sonnensystemforschung

DISLIN is a high-level and easy to use plotting library for displaying data as curves, bar graphs, pie charts, 3D-colour plots, surfaces, contours and maps. Several output formats are supported such as X11, VGA, PostScript, PDF, CGM, SVG, PNG and TIFF. DISLIN is available for the programming languages Fortran 77, Fortran 90 and C. Plotting extensions for the languages Perl, Python and Java are also supported for the most operating systems.

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DISLIN for Python 2.5
Free - MPI fuer Sonnensystemforschung

DISLIN is a high-level and easy to use plotting library for displaying data as curves, bar graphs, pie charts, 3D-colour plots, surfaces, contours and maps. Several output formats are supported such as X11, VGA, PostScript, PDF, CGM, SVG, PNG and TIFF. DISLIN is available for the programming languages Fortran 77, Fortran 90 and C. Plotting extensions for the languages Perl, Python and Java are also supported for the most operating systems.

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GraphSight Junior
Free - CradleFields.com

GraphSight Junior is an easy to use freeware handy 2D math-graphing program. It was originally designed to help students and teachers satisfy their day-after-day math plotting needs. It makes it easy to plot and explore common Y(X) = F(X) Cartesian graphs, set text labels on the coordinate plane, zoom or shift a graph with just a single click & move of mouse. The picture can be than exported to a file or windows clipboard as a bitmap.

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Data Master 2003
Free - RRR

Programmable scientific and technical graphics optimized for automation of test and measurement systems, data acquisition and post-process. You can visualize, edit and analyze data produced by any instruments with RS-232 interface or another numerical data sources. Features include extensible set of numeric and symbolic calculation tools, nonlinear Levenberg-Marquardt regression analysis, ActiveX-compatible scripting environment and more.

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