Xmaxima Manual: 5. Openmath plots
Runiter Graphing Calculator 3D - Windows, Mac, Linux
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Math equations software for 3D plotting - Software Recommendations Stack Exchange
Function graphing software for mathematics - TeraPlot
Flash Tools for Developers: 3D Function Grapher - Description of the Templates
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The Vivid Realism of 3D Functions, Right There on Your Browser | NIST
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Graph and Contour Plots of Functions of Two Variables - Wolfram Demonstrations Project
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Imp View - Implicit 3D Function Grapher - Lewcid.com
Graph and Contour Plots of Functions of Two Variables - Wolfram Demonstrations Project
Google Developers Blog: Fridaygram: 3D graphs, battling bacteria, viewing art
3D Graphs
Math Software, Easy Yet Powerful - Math Mechanixs
Flash Tools for Developers: 3D Function Grapher - Description of the Templates
Unistat Statistics Software | Plot of 3D Functions
Function graphing software for mathematics - TeraPlot
Grapher™ | 2D & 3D graphing, plotting, and analysis software
Graphing 3D Functions
Graphing Calculator
