Tableau Public
Tableau Public is software, similar to Tableau Desktop, that you can download and use for free with some limitations: you need to publish your work online in a public environment, and you don't have access to all the connectors available in Tableau Desktop.
Tableau Public is, in fact, much more than that.
Tableau Public is like a social network, but while people are sharing pictures of their cats and kids on Facebook, you can only find the best visualizations available in Tableau Public. As we are data lovers, here are some figures: 250,000 Tableau Public users have published more than 1,000,000 Workbooks, generating more than 1,000,000,000 views.
On the Tableau Public website, you can find a Viz Of The Day section on the homepage (every day, a new Workbook is promoted by Tableau: https://public.tableau.com/en-us/s/), and many Featured visualizations in different categories (Greatest Hits, Sports, Social Goof, and so on). You can find a list of the current Featured Authors,...