If you are looking for Qlik Sense documentation here are the appropriate links:

General Qlik Sense help for people who need help with the basics:

https://help.qlik.com/sense/en-US/online/

Help for developers that want to build extensions, mashups,  create custom connectors or use the API to handle the management console and more!

https://help.qlik.com/sense/en-US/developer/