acc

aseprite

aseprite-skia

bsnes-c++98-libretro

bsnes-libretro

cardpics

set of free cards sets

cegui

Crazy Eddie's GUI System

cheapglk

clanlib

multi-platform game development library

easyrpg-editor

entityx

fareditor

flatzebra

A generic game engine for 2D double-buffering animation

flinker

GBA cart writing utility by Jeff Frohwein

freecell-solver

garglk

glk-headers

glkloader

glkterm

glktermw

gnome-inform7

goatee

godot

gtkradiant

FPS level editor

guichan

a portable C++ GUI library designed for games using Allegro, SDL and/or OpenGL

hawknl

A cross-platform network library designed for games

hdl_dump

game installer for playstation 2 HD Loader

higan-ananke

hlsdk

Half-Life Software Development Kit for mod authors

irrlicht

open source high performance realtime 3D engine written in C++

KXL

Development Library for making games for X

libmaitretarot

backend library for the maitretarot games

libmt_client

backend library for the maitretarot clients

libnw

Tools and libraries for NWN file manipulation

libtcod

mercator

WorldForge library primarily aimed at terrain.

mygui

netradiant

newton

an integrated solution for real time simulation of physics environments

ode

Open Dynamics Engine SDK

ogre

Object-oriented Graphics Rendering Engine

ois

Object-oriented Input System - A cross-platform C++ input handling library

openscenegraph

Open source high performance 3D graphics toolkit

openscenegraph-qt

paklib

library for accessing Quake pak files

physfs

Abstraction layer for filesystem and archive access

poker-eval

A fast C library for evaluating poker hands

ps2-packer

another ELF packer for the PS2

pypoker-eval

quake4-sdk

Quake4 SDK

raknet

raknet-tes3mp

readdol

sdlu

simgear

Development library for simulation games

slade

snesfilter

snesreader

supergameboy

t4k-common

tiled

wfmath

Worldforge math library

zdbsp

acc

goatee

openscenegraph

aseprite

godot

openscenegraph-qt

aseprite-skia

gtkradiant

paklib

bsnes-c++98-libretro

guichan

physfs

bsnes-libretro

hawknl

poker-eval

cardpics

hdl_dump

ps2-packer

cegui

higan-ananke

pypoker-eval

cheapglk

hlsdk

quake4-sdk

clanlib

irrlicht

raknet

easyrpg-editor

KXL

raknet-tes3mp

entityx

libmaitretarot

readdol

fareditor

libmt_client

sdlu

flatzebra

libnw

simgear

flinker

libtcod

slade

freecell-solver

mercator

snesfilter

garglk

mygui

snesreader

glk-headers

netradiant

supergameboy

glkloader

newton

t4k-common

glkterm

ode

tiled

glktermw

ogre

wfmath

gnome-inform7

ois

zdbsp