Microsoft To Do is described as 'Task manager with sync, reminders, recurring tasks, list sharing, color-coded organization, suggestions, subtasks, daily planning, notes, and GTD support' and is a popular todo list manager in the office & productivity category. There are more than 100 alternatives to Microsoft To Do for a variety of platforms, including iPhone, Android, Web-based, iPad and Mac apps. The best Microsoft To Do alternative is SPHW Pin. It's not free, so if you're looking for a free alternative, you could try Super Productivity or Todoist. Other great apps like Microsoft To Do are Workflowy, TickTick, Snaptick and Quire.