A Scrum/Agile Infographic. A pictorial representation of Scrum and the things that happen inside each sprint. The Agile process promotes transparency, moves projects quickly and keeps marketers focused on a specific set of goals.
Waterfall Project Management approach, applied to software projects. Uses the same basic project structure as OnlinePMCourses, with subtly difeferent terminology. I don't know about the time estimates, but it's a useful start oint.