You really think there were no successful software before Agile came along?<p><a href="https:&#x2F;&#x2F;www.quora.com&#x2F;What-are-names-of-successful-projects-using-the-waterfall-model" rel="nofollow">https:&#x2F;&#x2F;www.quora.com&#x2F;What-are-names-of-successful-projects-...</a>