Tableau Public is a Tableau initiative that allows you to use a free version of Tableau Desktop to create visualisations that can then be uploaded to a personal cloud space (the Tableau Cloud) and shared with anyone with internet access. The Tableau Public website thus creates a community of authors of visualisations that are displayed in the website's gallery.
The visualisations can also be inserted or embedded in a website or blog, so that bloggers and journalists, among other user profiles, can use Tableau Public to support their publications with interactive visualisations that they can easily share.
The main limitations of this free version of Tableau are in the possible data sources to be used, which are Excel files, text files in csv format, statistical software files such as R, SPSS or SAS, web data connectors, OData and data from the Microsoft Windows Azure Marketplace, and in that the reports must be saved in the Cloud space limited to 1 Gb that Tableau offers free of charge to each Tableau Public user, they cannot be exported in local or network files.
Resources about Tableau Public
Course to learn how to work with Tableau
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