You likely now know that the most common project management styles used in software development are Scrum or Kanban. But, software development isn't merely about being Agile. Though similar, both methodologies have key differences that require special attention as well as overlap in processes (recently I heard about "Scrumban," which was how a client described their delivery model). With any management principles, there are different interpretations of the "rules." The key to the successful implementation of any methodology is the practical work of a project manager.