Matplotlib is a comprehensive library for creating static, animated, and interactive visualizations in Python. Matplotlib makes easy things easy and hard things possible.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Python
- BSD




The best free alternative to SigmaPlot is Matplotlib, which is also Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to SigmaPlot and 14 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to SigmaPlot are LabPlot, SymPy, NumeRe and Curasynth.
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.




SymPy is a Python library for symbolic computation. The stated goals of the library are to become a full-featured computer algebra system and to keep a simple code base to promote extensibility and comprehensibility.

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.




Curasynth is an AI-powered research platform designed to streamline and automate various aspects of academic and clinical research, from writing and data analysis to protocol generation. It provides an all-in-one platform for researchers to increase efficiency and reduce the...

Xcos is a graphical editor to design hybrid dynamical systems models. Models can be designed, loaded, saved, compiled and simulated.



Graphical frontend for GNU Octave. Edit formulas in native mathematical notation. Available / tested for Linux x586 / x86_64, WinXP, Vista, and MacOS.




Plotivy is a modern, AI-assisted platform designed specifically for scientific data visualization and image analysis. Built by an experimental physicist for researchers who want to focus on science rather than wrestling with plotting libraries.




Kst is a fast, real-time large-dataset viewing and plotting tool available and has built-in data analysis functionality.

Grace is a free WYSIWYG 2D graph plotting tool, for Unix-like operating systems. The package name stands for "GRaphing, Advanced Computation and Exploration of data." Grace uses the X Window System and Motif for its GUI.

QueryVeil is a privacy-first AI data analyst that runs entirely in the browser. Users can drop in CSV, Excel, JSON, or Parquet files and ask questions in plain English — the AI doesn't just generate a single query, it investigates like a real analyst: running multiple SQL...




AsanPlot, is a free and easy to use plotting software based on the Matplotlib library for preparing high quality plots. This software provides features for the most common 2d and 3d plots. It can import data from different file types, preprocess, clean, analyze, and visualize...
