QNN used to be free until Fons and Porter bought it.
It is worth the money if you are new and need to see methods instead of reading them.
They have so many videos you really need to have a lot of time to watch them.
It is how I learned to quilt years ago.
If you just go to the quilt in a day website you can watch El Burns videos for free. She is the best teacher for newbees.
http://quiltinaday.com