RationalPlan is described as 'Easy to use project management software best suited for novice or accidental project managers but powerful enough for more advanced ones. Includes Gantt charts, timesheets, working calendars, resource leveling, cost tracking and portfolio management' and is an app in the Business & Commerce category. There are more than 100 alternatives to RationalPlan for a variety of platforms, including the Web, Windows, Mac, iPhone and Android. The best alternative is Asana, which is free. Other great apps like RationalPlan are Redmine (Free, Open Source), Basecamp (Freemium), Wrike (Freemium) and GanttProject (Free, Open Source).