Flourish is a powerful, flexible and easy to use platform for data visualization without coding. It has some of the most popular visual widgets as parameterized “templates” that use spreadsheets as data sources.
For example these are the parameters for the hierarchical template:
And this is the user interface used to map your data to the expected structure of the template:
As an example, I recreated my previous (and too simple) visualization of the “Violent Deaths in Colombia Between 2000 and 2012” dataset:
With a few clicks it was possible to explore the dataset using different kinds for visualizations like these:
Probably it could have some trouble with big datasets, but the ease of use is really impressive.