Qlik Community: Beside the great product, the most I like about Qlik is the great Qlik Community. I can’t think of a week, which I don’t visit the community and look for the solution to some challenges. Great site, great contributions…
QlikView Cookbook: Great website from Rob Wunderlich, lot’s of interesting articles, „recipes“ and downloadable tools.
Qlik Branch: A great site for developers to leverage and extend their Qlik product suite. The Branch Garden, Branch Playground and Branch Knowledge provide many useful resources. Especially for Qlik Sense, the Branch garden has a great collection of third party extensions.
Google Dataset Search: Even in beta phase, this site provides good and interesting set of data to download in order to enhance existing Qlik applications or use data sets to learn Qlik products.
Sense Theme: Qlik Sense Theme Builder and gallery website in order to customize Qlik Sense applications
Qlik Sense Videos: Also from the Qlik Community website, Qlik staff provided very helpful videos organized by topic.
Udemy: Udemy is an online learning platform. There are a lot of great courses to learn Qlik products, other trend topics such as machine learning, predictive analystics and business intelligence topics.
The Wall Street Journal Guide to Information Graphics: The Dos and Don'ts of Presenting Data, Facts, and Figures: Essential information for presenting data and information. Whether using QlikView or other tools, this book guides in order to avoid common mistakes.