Tableau PublicFree to use with creation of an account. Some restrictions include: 1) Tableau Public does not allow you to save your workbook locally to your PC, you have to save it to the public Tableau server (although, once you have saved your data visualization on Tableau Public, you can look up the embed code and post it in your own webpage or blog) 2) storage is capped at 10GB 3) it only supports data sets of up to 15 million rows. (From CUNY Tableau Public Information Page)