MyLifeOrganized is described as '(MLO) is a personal task outliner and to-do list manager which will help you to organize your goals, projects and tasks into a tree' and is a very popular todo list manager in the office & productivity category. There are more than 100 alternatives to MyLifeOrganized for a variety of platforms, including iPhone, Web-based, Windows, Mac and Android apps. The best MyLifeOrganized alternative is Todoist, which is free. Other great apps like MyLifeOrganized are Workflowy, Tasks.org, Snaptick and ToDoList.
MyLifeOrganized works offline, Marvin does not.