Agile Principles: Progress Requires Working Software

Working software is the primary measure of progress. – Principles behind the Agile Manifesto Pixel perfect design mockups, UML diagrams, detailed user stories, automated tests, thousands of lines of code and hours of discussions. These are just a few examples of the endless amount of stuff we can spend time creating, tweaking, editing, testing and reviewing. However, nothing shows progress quite like working software. So what is working software?