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Metabase - Metabase is the easy, open source way for everyone in your company to ask questions and learn from...
Observable - Interactive code examples/posts
DbFace - DbFace is an online database application & report building tool.
nbviewer.org - Rackspace server host Jupyter Notebooks from your github repo
Redash - Data visualization and collaboration tool.
Jupyter - Project Jupyter exists to develop open-source software, open-standards, and services for interactive computing across dozens of programming languages. Ready to get started? Try it in your browser Install the Notebook.