Graphing Software for Microsoft Windows
TeraPlot http://www.teraplot.com/ (last update 2014) By Robert Fairlie of Kylebank Software.
RomanLab 3D Grapher
RomanLab 3D Grapher http://www.romanlab.com/ (last update 2003)
GraphCalc (last update 2003) is a basic graphing calculator. Plots 2D and 3Ds. Author are Brendan Fields and Mike Arrison. It is a free software. http://www.graphcalc.com/.
MathGV http://www.mathgv.com/ (last update 2003) Open Source software.
Graphmatica http://www8.pair.com/ksoft/. (last update 2013-11-11) by Keith Hertzer of kSoft, inc.
David Parker's DPGraph
David Parker's DPGraph http://www.dpgraph.com/ (last update 2013-09-05)
Advanced Grapher: http://www.serpik.com/
MathGrapher: http://www.mathgrapher.com/ (commercial)
Graph Easy: http://www.grapheeasy.com/
If you have a question, put $5 at patreon and message me.