Update other_libs.md

docs/other_libs.md

@@ -81,6 +81,7 @@ graphics (2d)     |  [tigr](https://bitbucket.org/rmitton/tigr/src)
 graphics (2d)     |  [noc_turtle](https://github.com/guillaumechereau/noc)                | MIT                  |C/C++|  2  | procedural graphics generator
 graphics (3-D)    |  [mikktspace](http://tinyurl.com/z6xtucm)                             | zlib                 |C/C++|  2  | compute tangent space for normal mapping
 graphics (3-D)    |  [debug-draw](https://github.com/glampert/debug-draw)                 | **public domain**    | C++ |**1**| API-agnostic immediate-mode debug rendering
+graphics (3-D)    |**[lightmapper](https://github.com/ands/lightmapper#lightmapper)**     | **public domain**    |C/C++|**1**| use your OpenGL renderer to offline bake lightmaps
 hardware          |**[EasyTab](https://github.com/ApoorvaJ/EasyTab)**                     | **public domain**    |C/C++|**1**| multi-platform tablet input
 images            |  [jo_gif.cpp](http://www.jonolick.com/home/gif-writer)                | **public domain**    | C++ |**1**| animated GIF writer (CPP file can also be used as H file)
 images            |**[gif.h](https://github.com/ginsweater/gif-h)**                       | **public domain**    |  C  |**1**| animated GIF writer (can only include once)