Total Organizer is described as 'Personal information manager that stores all your contacts, tasks, notes, and todo items. You can classify the items under a hierarchical tree structure, but each item (be it a contact, task, note or todo) may belong to more than one category' and is a todo list manager in the office & productivity category. There are more than 50 alternatives to Total Organizer for a variety of platforms, including Windows, Web-based, Android, Mac and iPhone apps. The best Total Organizer alternative is CherryTree, which is both free and Open Source. Other great apps like Total Organizer are Cryptee, ToDoList, Remember The Milk and RedNotebook.