These videos are free and are good for start: https://nifi.apache.org/videos.html https://www.youtube.com/watch?v=fblkgr1PJ0o This is a comprehensive list of nifi tutorials: https://github.com/jfrazee/awesome-nifi Nifi docs is also a good source: https://nifi.apache.org/docs.html If you are looking for beginners' course: https://www.udemy.com/apache-nifi/ ... View more