Line Graph Maker - Create a line graph for free with easy to use tools and download the line graph as jpg or png file.
GnuPlot - Gnuplot is a portable command-line driven interactive data and function plotting utility.
Desmos - A beautiful, innovative, and modern online graphing calculator.
GeoGebra CAS Calculator - Free online algebra calculator from GeoGebra: solve equations, expand and factor expressions, find derivatives and integrals
Simple graph maker - Simple graph maker is a simple to use graphing tool that allows users to create colorful graphs to use their presentation.
GNU Octave - GNU Octave is a programming language for scientific computing.