From Wikipedia:

Plotly offers six main products:

• Plot.ly has a graphical user interface for importing and analyzing data into a grid and using stats tools. Graphs can be embedded or downloaded. Mainly used to make creating graphs faster and more efficient.
• API libraries for Python, R, MATLAB, Node.js, Julia, and Arduino and a REST API. Plotly can also be used to style interactive graphs with IPython.
• Figure Converters which convert matplotlib, ggplot2, and IGOR Pro graphs into interactive, online graphs.
• Plotly Apps for Google Chrome.
• Plotly.js is an open source JavaScript library for creating graphs and dashboards.
• Plotly Enterprise an on-premises installation of Plotly.

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