GoGetter is described as 'Task management system based on David Allen’s ever so popular Getting Things Done methodology. GoGetter will help you stay organized and stay on track of your every day to day tasks along with any projects that may come your way' and is a todo list manager in the office & productivity category. There are more than 100 alternatives to GoGetter for a variety of platforms, including iPhone, Web-based, Android, Windows and Mac apps. The best GoGetter alternative is Todoist, which is free. Other great apps like GoGetter are Workflowy, Habitica, Microsoft Outlook and ToDoList.