3D Grapher

Plotting and data visualization programming for graphing and animating 2D and 3D equations and table charts. Allows some customization.

http://www.romanlab.com/3dg/

3DMath Explorer

Plots 2D and 3D graphs of mathematical functions and curves. Windows; 30-day limited trial version.

http://www.teber.biz/

ACE/gr

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 Also known as xmgr, this software is now superseded by Grace.

http://plasma-gate.weizmann.ac.il/Xmgr/

Aabel

Statistical and Graphing Software for Mac OS X. Site provides screenshots and features list, together with pricing details and online ordering facility.

http://www.gigawiz.com/

Autograph

PC software for teaching calculus, coordinate geometry, statistics and probability.

http://www.autograph-math.com/

Cirkulus DigiGraph

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

http://www.angelfire.com/in/cirkulus/

Cradle Fields

A programming tool to plot and explore two dimensional math functions, such as cartesian y(x) and x(y) graphs, parametric and polar ones. Allows the user to have control over a coordinate space through interactivity of all the components of the graph.

http://www.cradlefields.com/

Create a Graph

Web-based graphing tool for producing bar, line, pie, and area charts from small sets of discrete data.

http://nces.ed.gov/nceskids/createagraph/

DPGraph

Visualization program supporting graphs in up to eight dimensions. Coded entirely in assembly language for optimized speed.

http://www.dpgraph.com/

DataFit

Curve fitting and data plotting software. Accuracy of nonlinear regression results verified with NIST.

http://www.oakdaleengr.com/

DeadLine

Free windows software performing graph plotting and root-finding for algebraic functions. Features list and tutorial.

http://deadline.3x.ro/

Digitize It

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.

http://www.digitizeit.de/

Dr. Hanley's Science Graphs

Software for graphing equations and data. Supports multiple curves as well as parametric graphs. Plus version can graph multi-color contour lines.

http://www.hanleyinnovations.com/sgraph.html

FitAll

General purpose nonlinear regression analysis (curve fitting) tool from MTR Software. Windows. Free download of evaluation version.

http://www.fitall.com/

FooPlot

Online 2D and 3D plotter with root and intersection finding, easy scrolling, and exporting features.

http://fooplot.com/

GLgraph

An OpenGL based function grapher for Linux, handling 3 unknowns (x,z,t) and producing a 4D function with 3 space and 1 time dimension. Free under GPL.

http://glgraph.kaosu.ch/

GUIPlot

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

http://www.guiplot.com/

Grace

A WYSIWYG 2D plotting tool for the X Window System and M*tif. Ports to other systems (including windows) are also available. Features overview, full documentation, and downloads.

http://plasma-gate.weizmann.ac.il/Grace/

GrafEq

Program for graphing implicit relations. Designed for high school use, Windows and Mac evaluation versions available for download.

http://www.peda.com/grafeq/

GraphPad Prism

Combination of basic biostatistics, curve fitting and scientific graphing in one program. Available for Windows or Macintosh.

http://www.graphpad.com/prism/Prism.htm

HandyGraph

Software that plots functions, points, inequalities, and makes blank graph templates. Commercial software for Windows, with free fully-functional 30-day trial.

http://www.handygraph.com/

Jpowered.com Bar Graphs

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.

http://www.jpowered.com/bar_graph/

KaleidaGraph

Software for graphing and data analysis. Windows, MacOS. Purchase on-line or download free trial version.

http://www.synergy.com/

MathGV

Mathematical function graphing software program for Windows. It can plot 2 dimensional, polar, and 3 dimension functions. Freeware.

http://www.mathgv.com/

MathGrapher

Mathematical graphing tool for 2D and 3D functions and data. Also includes statistical tools, nonlinear curve fitting, integration of coupled ordinary differential equations, and cellular automata.

http://www.mathgrapher.com/

MoNooN Grapher

A collection of graphing programs, for plotting functions in 2D and 3D, rectanguluar and polar coordinates. [Windows shareware]

http://www.monoon.com/

Ploticus Data Display Engine

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

http://ploticus.sourceforge.net/

Quisoft's Visualizer

Web-based application for producing graphs of mathematical functions. [may not work in all browsers]

http://www.quisoft.com/

Rt-Plot

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)

http://www.rt-science.de/rt-plot.html

Runiter Company: Graphing Calculator 3D

Plots 2D and 3D graphs of math equations and coordinates tables. Can be downloaded free of charge.

http://www.runiter.com/graphing-calculator/

TeraPlot

Graphing and visualization program for 2D and 3D data. Description of features, examples of plots, and free demo version to download. [Windows]

http://www.teraplot.com/

WestSide

Series of charting programs for processing numeric data to produce graphs. Supports two and three-dimensional graphing and contour plotting.

http://hp.vector.co.jp/authors/VA010465/

XonGrid

A free XLL Excel Add-in written in C and C++. It provides 5 Excel functions to perform 1D, 2D, 3D, 4D and any dimension interpolation from scattered data.

http://xongrid.sourceforge.net/