Graph Alternatives

Gnuplot is a portable command-line driven interactive data and function plotting utility.

GeoGebra is free and multi-platform dynamic mathematics software for learning and teaching.

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Put Grapher’s powerful graphing and data analysis features to the test and better understand your data. Learn about features and download a free trial.

SciDAVis is a free application for Scientific Data Analysis and Visualization.

matplotlib is a python 2D plotting library which produces publication quality figures in a variety...

ksar is a sar graphing tool that can graph for now linux,mac and solaris sar output.

Free computer algebra system

Free online algebra calculator from GeoGebra: solve equations, expand and factor expressions, find derivatives and integrals

GrafEq (pronounced “graphic”) is an intuitive, flexible, precise and robust program for producing...

Geometry Pad is a dynamic geometry application for iPad and Android tablets.

Lybniz is a simple and very easy to use mathematical function graph plotter written in Python and...

Is a powerful, easy-to-use, equation plotter with numerical and calculus features:

A high-level language and interactive environment for numerical computation, visualization, and programming