The best free alternative to OriginPro is GnuPlot, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to OriginPro and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to OriginPro are SciDaVis, Matplotlib, LabPlot and Veusz.
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. It does this job pretty well, but has grown to support many non-interactive...
SciDAVis is a free application for Scientific Data Analysis and Visualization. It's an application aimed at data analysis and
Matplotlib is a comprehensive library for creating static, animated, and interactive visualizations in Python. Matplotlib makes easy things easy and hard things possible.
LabPlot is a free, open source and cross-platform Data Visualization and Analysis software accessible to everyone and trusted by professionals.
Plotly is the easiest way to graph and share data online. Open-source libraries for JavaScript (comparison with HighCharts at https://plot.ly/highcharts-alternative/), Python, R, and MATLAB.
Python(x,y) is a free scientific and engineering development software for numerical computations, data analysis and data visualization based on Python programming language, Qt graphical user interfaces and .
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. The program makes it very easy to visualize a function and paste it into another program.
Open source framework for numerical computations and advanced statistical analysis, featuring nonlinear curve fitting, ODE solving, 1D/2D publication-quality visualization, Fourier and wavelet transforms, intuitive syntax, and namespace-based code organization for research.
MagicPlot is cross-platform application for scientific and engineering plotting, non-linear and multipeak curve fitting and batch processing. MagicPlot produces high-quality plots and offers handy plot navigation. Project files have .mppz extention.
Alpha Plot is a free application for Scientific Data Analysis and Visualization for Windows, Linux and Mac OS X. It is a fork of scidavis under active development.
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There’s ease of generation, pipelining etc. It’s /the/ plotting standard, has good configuration, and you can rely on it being installed virtually everywhere. Integrations with many languages and a plethora of other tools are a consequence of these advantages and make for an even greater benefit from using gnuplot.