GeoGebra

GeoGebra is free and multi-platform dynamic mathematics software for learning and teaching. It has received several educational software awards in Europe and the USA.

Free Open Source Mac OS X Windows Linux Android Android Tablet iPad Web

GnuPlot

Gnuplot is a portable command-line driven interactive data and function plotting utility. It was originally intended as to allow scientists and students to visualize mathematical functions and data.

Free Open Source Mac OS X Windows Linux

GraphCalc

GraphCalc is an all-in-one solution to everything from everyday arithmetic to statistical analysis, from betas to Booleans, from cubes to calculus, from decimals to derivatives.

Free Open Source Windows Linux

Graph

Graph is an open source application used to draw mathematical graphs in a coordinate system. Anyone who wants to draw graphs of functions will find this program useful.

Free Open Source Windows

Grapher

With Grapher, you can graph equations and data sets and visualize the results on your Mac in real time. Grapher displays algebraic relations, both implicit and explicit...

Free Mac OS X

Core Plot

Core Plot is a 2D plotting framework for Mac OS X and iOS. It is highly customizable and capable of drawing many types of plots

Free Open Source Mac OS X iPhone iPad