Creates X-Y data plots and histogram charts. Includes free demo download.

General purpose plotting program. It features multiple scaling types, several special purpose plots: tripartite grids, grain size distribution plots, polar plots, and contour plots of 3D data. Manipulation functions include FFT, filtering, smoothing.

An alternative to gnuplot, GPL, command-line, with various style options. Program can plot date, time, and category data directly. [Unix/Win32]

Draws graphs of equations written in algebraic form. Can be later adjusted by changing parameter values. Free download file and installation instructions. It is licensed under the GNU GPL.

A tool to generate Cartesian X/Y-plots from scientific data. View the changing graphs, including linear and non linear regression, interpolation, differentiation and integration, during entering.(Shareware)

Shareware that automatically pulls in numerical data from scanned graphs and transferred to a specified axes system. Can be saved in ASCII format, ready to use in other applications. Is able to import files from most image formats (gif, png, tiff,bmp). Runs on Windows and Linux. Includes 21 day free trial.

Allows the user to digitize a cartesian graph by setting points right over the bitmap and saving the results in text file.

Creates two and three dimensional vertical bar, horizontal and stacked charts from files, databases scripts and server side processes. Lists features. Includes examples and free download demo.

Windows software to digitize a scanned graph image. Site gives details of the product, and allows the download of an evaluation copy.

A 2D plotting tool for X Window System, with ports to other systems available. Also known as xmgr, this software is now superseded by Grace.