Deepnote provides a quick no-code way to visualize pandas dataframes. SQL blocks' results are also saved to pandas dataframes, so these two features go great together.
To see Chart blocks in action, check out this video of the feature in action:
Chart blocks provide a simple UI that builds a Vega-lite spec, which is then passed into altair, along the with visualized dataframe. Vega-lite and Altair are both battle-tested, open-source software.
The ability to export the chart into code for further refinement is coming soon.