is a free tool allowing bloggers, activists, students and others to create their own interactive data visualisations.
No programming skills are required to use Tableau; all you need is your set of clean data to upload. You can then choose what parameters you want your visualisation to focus on, and the best format for your visualisation (map, charts, etc), using a drag-and-drop tool.
Tableau offers you the possibility to create several visualisations and to put them into perspective using a dashboard.
Online training sessions are regularly organised to help you get started, and visual tutorials are also available on the website.
Keep in mind that once you use Tableau, your data becomes available for download to anyone.
While Mac and Linux users can view the visualisations online, Tableau as content authoring software is only available for Windows.