acc

aseprite

bsnes-c++98-libretro

bsnes-libretro

cardpics

set of free cards sets

cegui

Crazy Eddie's GUI System

cel-ps

cheapglk

clanlib

multi-platform game development library

crystalspace

Portable 3D Game Development Kit written in C++

crystalspace-ps

easyrpg-editor

etrophy

fareditor

flatzebra

A generic game engine for 2D double-buffering animation

flinker

GBA cart writing utility by Jeff Frohwein

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

libtpproto-cpp

libtuxcap

mcedit

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

ogreal

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

pyogre

pypoker-eval

quake4-sdk

Quake4 SDK

raknet

raknet-tes3mp

readdol

sdlu

simgear

Development library for simulation games

slade

snesfilter

snesreader

steamvr-osvr

supergameboy

t4k-common

tiled

vamos

an automotive simulation framework

wfmath

Worldforge math library

zdbsp

acc

gtkradiant

openscenegraph-qt

aseprite

guichan

paklib

bsnes-c++98-libretro

hawknl

physfs

bsnes-libretro

hdl_dump

poker-eval

cardpics

higan-ananke

ps2-packer

cegui

hlsdk

pyogre

cel-ps

irrlicht

pypoker-eval

cheapglk

KXL

quake4-sdk

clanlib

libmaitretarot

raknet

crystalspace

libmt_client

raknet-tes3mp

crystalspace-ps

libnw

readdol

easyrpg-editor

libtcod

sdlu

etrophy

libtpproto-cpp

simgear

fareditor

libtuxcap

slade

flatzebra

mcedit

snesfilter

flinker

mercator

snesreader

garglk

mygui

steamvr-osvr

glk-headers

netradiant

supergameboy

glkloader

newton

t4k-common

glkterm

ode

tiled

glktermw

ogre

vamos

gnome-inform7

ogreal

wfmath

goatee

ois

zdbsp

godot

openscenegraph