Microsoft Planner is described as 'Planner is team-based work management software for creating plans, organizing and assigning tasks, file-sharing, work-based chats and progress updates' and is a project management tool in the office & productivity category. There are more than 50 alternatives to Microsoft Planner for a variety of platforms, including Web-based, Android, Windows, Mac and iPhone apps. The best Microsoft Planner alternative is Trello, which is free. Other great apps like Microsoft Planner are AFFiNE, Todoist, TickTick and Tasks.org.