Panda3D is an open-source, completely free-to-use engine for real-time 3D games, visualizations, simulations, experiments, and more. Developed originally by Disney for their massively multiplayer online game "Toontown," the project is now managed and maintained by the Panda3D community. Its flexible and powerful capabilities enable developers to create visually appealing and interactive content using Python and C++ programming languages.The engine supports a wide range of features, including advanced graphics, audio, physics, and networking capabilities. With Panda3D, developers can efficiently produce cross-platform applications that run on Windows, macOS, and Linux systems. The comprehensive website at https://www.panda3d.org/ offers various resources such as a manual, tutorials, and an active community forum to assist both new and experienced developers in leveraging the power of the Panda3D engine to create impressive and engaging applications.