OpenRocket is a free model rocket simulation tool designed for enthusiasts and hobbyists. This program allows users to design, simulate, and analyze model rockets with a user-friendly interface. Key features include a comprehensive rocket design editor, the ability to simulate flight trajectories, and detailed performance analysis. Users can customize various rocket parameters such as dimensions, materials, and propulsion systems to see how changes affect flight performance.

The program runs on Mac and is particularly beneficial for educational purposes, helping users understand the physics of rocketry. OpenRocket supports various rocket types and offers extensive documentation and tutorials to assist users in getting started. Overall, it serves as an invaluable tool for anyone interested in model rocketry, providing both a learning platform and a practical simulation environment.