Question: what is the difference between scrum alliance and scrum org?
Answer: There are 2 recognised Scrum training organisations: Scrum.org & Scrum Alliance. Scrum Alliance is a little bigger, Scrum.org is a lot better. I am of course biased being a Professional Scrum Trainer with Scrum.org. Scrum.org is run by Ken Schwaber who co-created the Scrum framework in the 1990's.