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Alternatives for Ternary Plots
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If mpltern does not satisfy your demands for ternary plots, think of
the following alternatives.

.. _Python: https://www.python.org
.. _R: https://www.r-project.org
.. _JavaScript: https://developer.mozilla.org/en-US/docs/Web/JavaScript
.. _LaTeX: https://www.latex-project.org
.. _MATLAB: https://www.mathworks.com/products/matlab.html

.. _ggtern: http://www.ggtern.com
.. Errorbars
   http://www.ggtern.com/2014/02/02/new-geometry-ternary-errorbars-3
   rotation of ternary plots
   http://www.ggtern.com/2016/03/18/version-2-0-0-released
   Crosshairs : Similar to Axes.hlines and Axes.vlines in matplotlib
   http://www.ggtern.com/2016/03/18/version-2-1-0-released
   Isoproportion lines
   http://www.ggtern.com/2016/03/18/version-2-1-0-released
   Arrows along the axes
   http://www.ggtern.com/2016/03/18/version-2-1-1-released
   triangular and hexagonal binning with values
   http://www.ggtern.com/2018/01/20/version-2-2-2-released

.. _Ternary: https://cran.r-project.org/package=Ternary
.. rotations of ternary plots (only for up, right, down, left)
   https://ms609.github.io/Ternary/articles/Ternary.html#create-a-blank-plot
   "clockwise" is implemented, but not documented very much.

.. _vcd: https://cran.r-project.org/package=vcd
.. Tick labels inside the triangle
   https://rdrr.io/cran/vcd/man/ternaryplot.html

.. _Plotly: https://plot.ly/javascript
.. tick-label angles must be specified by hand
   https://plot.ly/javascript/ternary-plots

.. _d3-ternary: https://github.com/davenquinn/d3-ternary
.. tick-labels along the axis
   https://github.com/davenquinn/d3-ternary

.. _PGFPlots: http://pgfplots.sourceforge.net
.. tie lines
   http://pgfplots.sourceforge.net/gallery.html

.. _Veusz: https://veusz.github.io
.. Ternary plots are not documented very much.

.. _ternaryplot.com: http://www.ternaryplot.com
.. tick-labels horizontal to the tick markers

.. _ternary-plots: https://www.mathworks.com/matlabcentral/fileexchange/7210-ternary-plots
.. Ternary plots are not documented very much.

.. _alcheyst-ternplot: https://www.mathworks.com/matlabcentral/fileexchange/2299-alchemyst-ternplot
.. Ternary plots are not documented very much.

.. _Grapher: https://www.goldensoftware.com/products/grapher

.. _JMP: https://www.jmp.com/de_de/home.html
.. Ternary plots are not documented very much.

.. _Origin: https://www.originlab.com
.. Parallelogram shape
   3D Ternary plot
   Piper diagram

.. _Statgraphics: http://www.statgraphics.com
.. Ternary plots are not documented very much.

Open-source
===========

- Python_
        - `Plotly <https://plot.ly/python>`__
        - `python-ternary <https://github.com/marcharper/python-ternary>`_
- R_
        - `Plotly <https://plot.ly/r>`__
        - ggtern_
        - Ternary_
        - vcd_

- JavaScript_
        - Plotly_
        - `d3-ternary (TypeScript) <https://github.com/davenquinn/d3-ternary>`__
- LaTeX_
        - PGFPlots_

- GUI
        - Veusz_

- Online
        - ternaryplot.com_ (based on d3-ternary)

Proprietary
===========

- MATLAB_
        - ternary-plots_
        - alcheyst-ternplot_
- GUI
        - `DPlot <https://www.dplot.com/index.htm>`_
        - Grapher_
        - JMP_
        - Origin_
        - Statgraphics_