These libraries are used by OSRail and have the following licenses:

• OGRE http://www.ogre3d.org http://www.opensource.org/licenses/mit-license.php
• wxWidgets http://wxwidgets.org/about/newlicen.htm
• AngelCode http://www.angelcode.com/angelscript/license.asp
• CxxTest http://cxxtest.sourceforge.net http://www.gnu.org/copyleft/lgpl.html
• GDAL/OGR http://www.gdal.org/ http://trac.osgeo.org/gdal/wiki/FAQGeneral#WhatlicensedoesGDALOGRuse
• OpenAL http://www.gnu.org/copyleft/lgpl.html
• Boost http://www.boost.org/users/license.html
• libjpeg http://www.ijg.org/ Free, can be used in commercial applications without royalty, with acknowledgement.¹
• libtiff http://www.remotesensing.org/libtiff/misc.html
• libpng http://www.libpng.org/pub/png/src/libpng-LICENSE.txt
• libmng http://www.libmng.com/license.html
• zlib http://www.zlib.net/zlib_license.html
• gettext http://www.gnu.org/software/gettext/manual/gettext.html#Licenses
• libgw32c http://gnuwin32.sourceforge.net/license.html
• DirectX SDK found in C:/Program Files/Microsoft DirectX SDK (June 2010)/Documentation/License Agreements
• Platform SDK C:/Program Files/Microsoft SDKs/Windows/v7.1/License
• CMake Berkeley-style license - Copyright.txt in the source distribution, http://www.cmake.org/HTML/Copyright.html
• CEGUI Layout editor http://www.cegui.org.uk/wiki/index.php/FAQ http://www.gnu.org/copyleft/lgpl.html
• CodeBlocks http://curl.haxx.se/docs/copyright.htmlocks http://www.codeblocks.org/license.shtml
• libcurl http://curl.haxx.se/docs/copyright.html
• wxCurl http://wxwidgets.org/about/newlicen.htm
• FreeImage http://www.opensource.org/licenses/gpl-license.php and http://freeimage.sourceforge.net/freeimage-license.txt
• gzip http://www.gnu.org/copyleft/lgpl.html
• 7z http://www.7-zip.org/license.txt

Note 1: In the distribution README for release 6b of 27-Mar-1998. (Oddly, enough Microsoft distributes the same readme file in Directx license files)