Web Directory

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 Also known as xmgr, this software is now superseded by Grace.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

» CurvFit
   A curve fitting program with Lorentzian, Power, Exponential, and Sine fitting models. Free download of windows executable.
   http://digitalcalculus.com/demo/curvfit.html

» DPGraph
   Visualization program supporting graphs in up to eight dimensions. Coded entirely in assembly language for optimized speed.
   http://www.dpgraph.com/

» DPlot
   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.
   http://www.dplot.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). Ru
   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

» Graphmatica
   Equation plotter featuring symbolic differentiation and tangent lines. Graphs can be printed, copied to the clipboard, and saved as BMP or WMF files. Shareware.
   http://www8.pair.com/ksoft/

» Gus and Gertie's Graphin' Gadget
   Commercial package supporting Cartesian, parametric, and polar graphs. Many graph attributes can be customized, including color, line thickness, and zoom level.
   http://www.somewareinvt.com/Someware_in_Vermont/Gus_and_Gertie/gusandgertie.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/

» IGOR Pro
   An interactive environment for experimentation with scientific and engineering data and for the production of publication-quality graphs and page layouts using Macintosh and Windows computers.
   http://www.wavemetrics.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/

» MultyGraphiX
   Generate 2D and 3D plots of explicit and parametric functions, in various coordinate systems. Site provides screenshots, features list, and allows download of an evaluation copy.
   http://multygraphix.gracebyte.com/

» PGPLOT Graphics Subroutine Library
   The PGPLOT Graphics Subroutine Library is a Fortran- or C-callable, device-independent graphics package for making simple scientific graphs.
   http://www.astro.caltech.edu/~tjp/pgplot/

» Pacific Tech Graphing Calculator
   Symbolic and numeric methods for visualizing two and three dimensional mathematical objects. Supports differential equations and integration. Available for Macintosh and Windows.
   http://www.pacifict.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/

» RGraph
   An HTML5 graphing library for websites on all platforms. Includes beta download, workgin examples, and details of the benefits of using the HTML5's canvas element.
   http://www.rgraph.net/

» 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://calculator.runiter.com/graphing-calculator/

» VisuMap
   A non-linear visualization program for dimensional data. It converts table of data to 2D/3D maps by combining multidimensional scaling and clustering methods.
   http://www.visumap.net/

» 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/

» plotutils
   A GNU package for producing 2D plots in a variety of formats, built around an enhanced libplot C/C++ function library. Site provides links to documentation and other related software.
   http://www.gnu.org/software/plotutils/