Why Trello, a Simple To-Do App, Is Worth $425 Million by Klint Finley from on 2017-01-09 23:21 (#289QH) Atlassian will pay nearly a half-billion dollars for the popular project management app Trello. It's worth every penny. The post Why Trello, a Simple To-Do App, Is Worth $425 Million appeared first on WIRED.