Disciplined Agile 5-minute intro
Agile Manifesto changed the software development world in 2001.
However it is just a set of principles. This is why it has led to the evolve of many different Agile frameworks that have crystallized and become widespread.
However different frameworks has different focuses:
Lean/Kanban - teaches how to eliminate waste in delivery pipeline Scrum - promotes leadership inside the teams and defines how to deal with constantly appearing changes Extreme Programming (XP) - shows how to build the highest quality software SAFe - enables large organizations to work as many agile teams connected together … They also have different team structures/roles, different prescribed activities, different slang, etc…