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.

Open Source

FlexiQuiz is a powerful online test generator that enables you to create engaging online quizzes, tests, or exams in minutes. Choose from 100's of features to create a customized quiz that meets your objectives for business, education, or fun.

Try for free freemium $25.0 / Monthly (Essentials plan)

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

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.

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

Open Source

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

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:

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

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

WolframAlpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels.