## On this page # Further reading Last update: 08.05.2025 - Also installed with TD is a file called “OpenTD Class Reference.chm”. This contains a complete list of all public types, members, and methods in OpenTD. You can find it in the TD installation directory, usually in the same location as this guide. - The TD user forum () contains more OpenTD demos, written in C#, MATLAB, and Python. Two boards are especially useful: - Software Usage->Tutorials->OpenTD contains a post called OpenTD Demos that contains a Visual Studio project that demonstrates many more features of OpenTD: ![Graphical user interface, text, application, email Description automatically generated](/sites/default/files/git_ansys/opentd_92_0_0_0_doc_1/1fe5ddd44d6df8c7835612e8287ecb11.png) - Software Usage->Product-specific Discussions->OpenTD is a place to ask and answer questions about OpenTD. There are dozens of discussions, covering many aspects of OpenTD usage.