Datashader is completely open source, available under a BSD license freely for both commercial and non-commercial use. Datashader was originally developed with the support of Anaconda Inc., and is now maintained by Anaconda developers and community contributors.
Datashader is part of the HoloViz family of tools. The holoviz.org website shows how to use Datashader together with other libraries to solve complex problems, with detailed tutorials and examples. You can see a variety of projects using Datashader at examples.pyviz.org, and you can compare Datashader to other available tools at pyviz.org.
If you have any questions or usage issues visit the Datashader Discourse site. If you are interested in contributing to Datashader development to help address some of the open issues, see our developer instructions to set up your development environment.
If you like Datashader and have built something you want to share, tweet a link or screenshot of your latest creation at @Datashader, along with any other library you used (@Panel_org, @HoloViews, @BokehPlots, @Matplotlib, etc.). Thanks!
Datashader is supported and maintained by Anaconda.