<s>
FreeGLUT	B-Application
is	O
an	O
open-source	B-Application
alternative	O
to	O
the	O
OpenGL	B-Library
Utility	I-Library
Toolkit	I-Library
(	O
GLUT	B-Library
)	O
library	O
.	O
</s>
<s>
GLUT	B-Library
(	O
and	O
hence	O
FreeGLUT	B-Application
)	O
allows	O
the	O
user	O
to	O
create	O
and	O
manage	O
windows	O
containing	O
OpenGL	O
contexts	O
on	O
a	O
wide	O
range	O
of	O
platforms	O
and	O
also	O
read	O
the	O
mouse	O
,	O
keyboard	O
and	O
joystick	O
functions	O
.	O
</s>
<s>
FreeGLUT	B-Application
is	O
intended	O
to	O
be	O
a	O
full	O
replacement	O
for	O
GLUT	B-Library
,	O
and	O
has	O
only	O
a	O
few	O
differences	O
.	O
</s>
<s>
Since	O
GLUT	B-Library
has	O
gone	O
into	O
stagnation	O
,	O
FreeGLUT	B-Application
is	O
in	O
development	O
to	O
improve	O
the	O
toolkit	O
.	O
</s>
<s>
It	O
is	O
released	O
under	O
the	B-License
MIT	I-License
License	I-License
.	O
</s>
<s>
FreeGLUT	B-Application
was	O
originally	O
written	O
by	O
Paweł	O
W	O
.	O
Olszta	O
with	O
contributions	O
from	O
Andreas	O
Umbach	O
and	O
Steve	O
Baker	O
.	O
</s>
<s>
The	O
current	O
maintainers	O
of	O
FreeGLUT	B-Application
are	O
John	O
F	O
.	O
Fay	O
,	O
John	O
Tsiombikas	O
,	O
and	O
Diederick	O
C	B-Language
.	O
Niehorster	O
.	O
</s>
<s>
Paweł	O
started	O
FreeGLUT	B-Application
development	O
on	O
December	O
1	O
,	O
1999	O
.	O
</s>
<s>
The	O
project	O
is	O
now	O
virtually	O
a	O
100%	O
replacement	O
for	O
the	O
original	O
GLUT	B-Library
with	O
only	O
a	O
few	O
departures	O
(	O
such	O
as	O
the	O
abandonment	O
of	O
SGI-specific	O
features	O
such	O
as	O
the	O
Dials&Buttons	O
box	O
and	O
Dynamic	O
Video	O
Resolution	O
)	O
and	O
a	O
shrinking	O
set	O
of	O
bugs	O
.	O
</s>
<s>
FreeGLUT	B-Application
contains	O
a	O
few	O
enhancements	O
over	O
the	O
original	O
GLUT	B-Library
-	O
but	O
as	O
a	O
matter	O
of	O
policy	O
,	O
no	O
further	O
significant	O
features	O
will	O
be	O
added	O
.	O
</s>
<s>
In	O
April	O
2015	O
,	O
FreeGLUT	B-Application
obtained	O
initial	O
support	O
for	O
the	O
new	O
Wayland	B-Language
display	O
server	O
protocol	O
.	O
</s>
<s>
Some	O
members	O
of	O
the	O
FreeGLUT	B-Application
team	O
who	O
wanted	O
to	O
add	O
features	O
forked	O
the	O
code	O
to	O
create	O
OpenGLUT	B-Application
.	O
</s>
<s>
Development	O
of	O
OpenGLUT	B-Application
ceased	O
in	O
May	O
2005	O
;	O
the	O
last	O
release	O
was	O
OpenGLUT-0.6.3	O
in	O
March	O
2005	O
.	O
</s>
<s>
FreeGLUT	B-Application
is	O
now	O
very	O
stable	O
and	O
has	O
fewer	O
bugs	O
than	O
the	O
original	O
GLUT	B-Library
.	O
</s>
<s>
However	O
,	O
there	O
are	O
places	O
where	O
the	O
original	O
GLUT	B-Library
specification	O
did	O
not	O
make	O
clear	O
what	O
order	O
things	O
like	O
callbacks	O
occur	O
and	O
it	O
is	O
possible	O
for	O
application	O
programs	O
that	O
work	O
under	O
GLUT	B-Library
to	O
fail	O
under	O
FreeGLUT	B-Application
because	O
they	O
assume	O
something	O
that	O
GLUT	B-Library
never	O
guaranteed	O
to	O
be	O
true	O
.	O
</s>
<s>
This	O
would	O
change	O
if	O
there	O
was	O
ever	O
a	O
new	O
release	O
of	O
GLUT	B-Library
.	O
</s>
<s>
FreeGLUT	B-Application
is	O
distributed	O
instead	O
of	O
GLUT	B-Library
in	O
some	O
Linux	O
distributions	O
.	O
</s>
<s>
Since	O
it	O
is	O
upwards	O
compatible	O
at	O
a	O
binary	O
level	O
,	O
programs	O
compiled	O
for	O
GLUT	B-Library
can	O
be	O
linked	O
to	O
FreeGLUT	B-Application
without	O
problems	O
.	O
</s>
