IAutoDraw is a multifunctional tool software for domestic office business drawing such as complex process diagrams, flow charts, lane charts，system topology diagrams, network topology charts ,circuit diagram, mind maps, Gantt charts, architecture diagrams, and also support process data simulation. It is based on process drawing components, it integrates tree components, Gantt chart components, mathematical curve and surface components. It also has real-time data source direct connection, dynamic simulation scripts, and other functions. It is a multifunctional tool. It has been widely used in various industries, especially in system design, process design, topology design, project schedule scheduling, mind tree hierarchical structure relationship design, process model simulation, industrial data monitoring, and other fields; The software is divided into a free trial version, And professional version, without any functional restrictions and a one-time fee can be used forever.