QlikView is described as 'Is Qlik’s classic analytics solution for rapidly developing highly-interactive guided analytics applications and dashboards, delivering insight to solve business challenges' and is a business intelligence tool in the business & commerce category. There are more than 100 alternatives to QlikView for a variety of platforms, including Web-based, Windows, SaaS, Self-Hosted and Mac apps. The best QlikView alternative is Openpanel.dev, which is both free and Open Source. Other great apps like QlikView are Tableau, Talend, Microsoft Power BI and We Do Data Science.
Because for free it offers much more options and the upward trend on a quick development is making it one of the best BI tools ever.