Microsoft Project is a project management software that helps project managers develop plans, assign resources to tasks, track progress, manage budgets and analyze workloads using features like Gantt charts, critical path schedules, and task management. It was initially created as an internal tool at Microsoft and first released commercially in 1984 for DOS, with subsequent versions released for Windows and Macintosh as well as updates over the years. Other project management software include Gantt Project, Genius Inside, LiquidPlanner, and Primavera among others.