OpenRocket is a free, open-source software application for simulating rocket flights. It is written in the Java programming language and features a user-friendly interface that allows users to design and simulate their own rocket designs. OpenRocket includes a wide range of features, such as the ability to model various stages, engines, and aerodynamic shapes, as well as advanced simulations for factors like wind and atmospheric conditions. Additionally, OpenRocket can generate detailed reports and graphs of the rocket's flight, making it a useful tool for rocket enthusiasts and professionals alike.

Fusion 360 is a popular CAD (Computer-Aided Design) software that is widely used for creating 3D models and designs. It is developed by Autodesk and is available for Windows, Mac, and mobile devices. Fusion 360 offers a wide range of features and tools for creating complex 3D designs, including parametric modeling, sculpting, and simulations. It also offers collaboration tools that allow multiple users to work on a design simultaneously, as well as integration with other software such as CAM (Computer-Aided Manufacturing) and CAE (Computer-Aided Engineering) tools. Overall, Fusion 360 is a versatile and powerful CAD software that is widely used by professionals in a variety of industries, including product design, architecture, and engineering.