OSRail is a simulation program and the utilities required to support the simulation. Additionally OSRail uses many third party libraries to build the cross-platform simulation and utilities. The essentially third party libraries and links to their web-sites are listed below:

• OGRE - Object-Oriented Graphics Rendering Engine http://www.ogre3d.org
• DirectX - Graphics Interface http://www.microsoft.com/downloads
• CEGUI - Crazy Eddie's GUI http://www.cegui.org.uk/wiki
• OIS - Object-Oriented Input System http://sourceforge.net/projects/wgois
• wxWidgets - Cross-platform GUI and tools library for GTK, MS Windows, and MacOS http://www.wxwidgets.org
• AngelScript - Cross-platform scripting library http://www.angelcode.com
• CxxTest - CxxTest is a JUnit/CppUnit/xUnit-like framework for C++ http://cxxtest.sourceforge.net
• GDAL/OGR - Geospatial Data Abstraction Library http://www.gdal.org
• OpenAL - Cross platform audio library used for 3D and 2D sound http://www.openal.org
• OpenAL-Soft - http://kcat.strangesoft.net/openal
• Boost - Peer-reviewed portable C++ source libraries http://www.boost.org
• gettext - GNU internationalization (i18n) http://www.gnu.org/software/gettext
• wxCurl - wxCURL interfaces LibCURL to wxWidgets providing HTTP, WebDAV, FTP and Telnet functions. https://wxcode.svn.sourceforge.net
• libcurl - http://curl.haxx.se
• FreeImage - http://freeimage.sourceforge.net
• Platform SDK 7.1 - http://download.microsoft.com
• libzzip - http://zziplib.sourceforge.net