Products :

- zlib 1.2.8, by Jean-loup Gailly and Mark Adler
   http://www.zlib.org
- lodepng 20160501, by Lode Vandevenne
   http://lodev.org/lodepng
- SDL 2, by Sam Lantinga
   http://www.libsdl.org
- stb_truetype, authored from 2009-2016 by Sean Barrett / RAD Game Tools
   http://github.com/nothings/stb
- utf8proc
   https://github.com/JuliaStrings/utf8proc
   (modified to be statically linkable, and to compile for C89)

Many thanks to everyone who provided feedback and patches, and especially :
- Dominik 'Mingos' Marczuk for the restrictive shadow casting fov, dijkstra
  pathfinding, name generator, documentation skin, lots of bitmap fonts and
  being the #1 libtcod user, supporter and contributor.
- Joao 'Jotaf' Henriques for his long time support, priceless comments and
  suggestions and the awesome Python tutorial.
- Chris 'donblas' Hamons for libtcod-net, the cmake system, the swig wrappers...
- Jonathon Duerig for the permissive field of view algorithm
- dividee for polishing and optimizing the Python wrapper.
- John Klimek for the early C# port and valuable bug fixes.
- Kyle 'HexDecimal' Benesch & Emmanuel 'Altefcat' Dempuré for their contribution
  to the Python port.
- Antagonist for the awesome SkyFire GLSL roguelike engine, hence libtcod's GLSL
  renderer
- Sandman for various tricky bug fixes.
- Joe Osborn for the OSX port, bug fixes and the bresenham 3d routines (still
  to be backported from the old 1.5 branch...).
- Paul Sexton for the common Lisp wrapper.
- Bernard Helyer for the D wrapper.
- Adam 'Blinks' Blinkinsop for the OSX port and the autotools compilation system.
- Nick Glauber for being the first libtcod Paypal sponsor.
- Matt Sullivan for the py3k support
- namor for the FreeBSD cmake support
- Anylo for putting some of the demos in the cmake compilation
- Michael De Rosa, Killer_X and Joe Rumsey for their work on OSX port
- Denis Belov for fixes on the heightmap toolkit
- owners of projects using libtcod.

Fonts :
The celtic garamond and dundalk fonts are from 1001freefonts.com.
The caeldera font is from blambot.com.
Other fonts are included in windows.
The celtic_garamond, arial, courier, dejavu, consolas, prestige and lucida 10x10/12x12 bitmap fonts were created by Mingos.