Talend Open Studio and ETL.

Learning to use the Talend ETL tool?

There can be a lot of concepts and technical aspects to understand when starting this journey.

This is is listing of other websites which I found to be great for initial awareness of features and functionality to help get started.

Talend by Example is a great resource to keep learning more features, once you have watched a few videos for awareness: https://www.talendbyexample.com/