Jaspersoft vs Tableau

Jaspersoft is a commercial open source software vendor focused on business intelligence, including data visualization, reporting, and analytics. It's world's most widely used business intelligence suite that leverages open source for the best and most cost-effective reporting dashboards. Acquired by TIBCO Software
Tableau complements your natural ability to understand data visually. Our breakthrough products let you create rich analyses and share your insights with colleagues in seconds. Connect and visualize your data in minutes. Tableau is 10 to 100x faster than existing solutions. From spreadsheets to databases to Hadoop to cloud services, explore any data with Tableau.