<s>
GLFW	B-Language
(	O
Graphics	O
Library	O
Framework	O
)	O
is	O
a	O
lightweight	O
utility	O
library	O
for	O
use	O
with	O
OpenGL	B-Application
.	O
</s>
<s>
It	O
provides	O
programmers	O
with	O
the	O
ability	O
to	O
create	O
and	O
manage	O
windows	O
and	O
OpenGL	B-Application
contexts	O
,	O
as	O
well	O
as	O
handle	O
joystick	B-Device
,	O
keyboard	B-Device
and	O
mouse	B-Device
input	I-Device
.	O
</s>
<s>
GLFW	B-Language
is	O
a	O
small	O
C	B-Language
library	O
that	O
allows	O
the	O
creation	O
and	O
management	O
of	O
windows	O
with	O
OpenGL	B-Application
contexts	O
,	O
making	O
it	O
also	O
possible	O
to	O
use	O
multiple	O
monitors	O
and	O
video	O
modes	O
.	O
</s>
<s>
It	O
provides	O
access	O
to	O
input	O
from	O
the	O
keyboard	B-Device
,	O
mouse	B-Device
,	O
and	O
joysticks	B-Device
.	O
</s>
<s>
The	O
API	B-Application
provides	O
a	O
thin	O
,	O
multi-platform	B-Operating_System
abstraction	O
layer	O
,	O
primarily	O
for	O
applications	O
whose	O
sole	O
graphics	O
output	O
is	O
through	O
the	O
OpenGL	B-Application
API	B-Application
.	O
</s>
<s>
While	O
GLFW	B-Language
is	O
very	O
useful	O
when	O
developing	O
multi-platform	B-Operating_System
OpenGL	B-Application
applications	O
,	O
single-platform	O
developers	O
can	O
also	O
benefit	O
from	O
avoiding	O
having	O
to	O
deal	O
with	O
different	O
platform-specific	O
APIs	B-Application
.	O
</s>
<s>
GLFW	B-Language
is	O
used	O
in	O
programs	O
that	O
require	O
a	O
window	B-Application
,	O
due	O
to	O
OpenGL	B-Application
not	O
providing	O
any	O
mechanisms	O
for	O
creating	O
the	O
necessary	O
contexts	O
,	O
managing	O
windows	O
,	O
user	O
input	O
,	O
timing	O
,	O
etc	O
.	O
</s>
<s>
There	O
are	O
several	O
other	O
libraries	O
available	O
for	O
aiding	O
OpenGL	B-Application
development	O
.	O
</s>
<s>
The	O
most	O
common	O
ones	O
are	O
FreeGLUT	B-Application
(	O
an	O
Open	O
Source	O
implementation	O
of	O
GLUT	B-Library
)	O
and	O
SDL	O
.	O
</s>
<s>
However	O
,	O
FreeGLUT	B-Application
is	O
mostly	O
concerned	O
with	O
providing	O
a	O
stable	O
clone	O
of	O
GLUT	B-Library
,	O
while	O
SDL	O
is	O
too	O
large	O
for	O
some	O
people	O
and	O
has	O
never	O
had	O
OpenGL	B-Application
as	O
its	O
main	O
focus	O
.	O
</s>
<s>
GLFW	B-Language
is	O
predicated	O
on	O
the	O
assumption	O
that	O
there	O
is	O
room	O
for	O
a	O
lightweight	O
,	O
modern	O
library	O
for	O
managing	O
OpenGL	B-Application
contexts	O
,	O
windows	O
,	O
and	O
input	O
.	O
</s>
<s>
GLFW	B-Language
is	O
not	O
a	O
user-interface	O
library	O
,	O
platform-specific	O
library	O
,	O
image-loading	O
library	O
or	O
a	O
threading	O
library	O
.	O
</s>
<s>
Although	O
GLFW	B-Language
is	O
written	O
in	O
C	B-Language
,	O
bindings	O
do	O
exist	O
to	O
use	O
the	O
API	B-Application
with	O
other	O
programming	O
languages	O
including	O
Ada	B-Language
,	O
C#	B-Application
,	O
Common	B-Language
Lisp	I-Language
,	O
D	B-Application
,	O
Delphi	B-Language
,	O
Go	B-Application
,	O
Harbour	B-Application
,	O
Haskell	B-Language
,	O
Java	B-Language
,	O
Julia	B-Application
,	O
Python	B-Language
,	O
Rebol	B-Application
,	O
Red	B-Language
,	O
Ruby	B-Language
and	O
Rust	B-Application
,	O
among	O
others	O
.	O
</s>
<s>
GLFW	B-Language
version	O
3.2	O
has	O
experimental	O
support	O
for	O
Wayland	B-Language
through	O
compile-time	O
flags	O
.	O
</s>
