<s>
Kerkythea	B-Application
is	O
a	O
standalone	O
rendering	O
system	O
that	O
supports	O
raytracing	B-Algorithm
and	O
Metropolis	B-Algorithm
light	I-Algorithm
transport	I-Algorithm
,	O
uses	O
physically	O
accurate	O
materials	O
and	O
lighting	O
,	O
and	O
is	O
distributed	O
as	O
freeware	B-License
.	O
</s>
<s>
Currently	O
,	O
the	O
program	O
can	O
be	O
integrated	O
with	O
any	O
software	O
that	O
can	O
export	O
files	O
in	O
obj	O
and	O
3ds	B-Language
formats	O
,	O
including	O
3ds	B-Language
Max	I-Language
,	O
Blender	B-Application
,	O
LightWave	B-Device
3D	I-Device
,	O
SketchUp	B-Application
,	O
Silo	B-Application
and	O
Wings3D	B-Application
.	O
</s>
<s>
Kerkythea	B-Application
started	O
development	O
in	O
2004	O
and	O
released	O
its	O
first	O
version	O
in	O
April	O
2005	O
.	O
</s>
<s>
Initially	O
it	O
was	O
only	O
compatible	O
with	O
Microsoft	B-Application
Windows	I-Application
,	O
but	O
an	O
updated	O
release	O
in	O
October	O
2005	O
made	O
it	O
Linux	B-Application
compatible	O
.	O
</s>
<s>
As	O
of	O
January	O
2016	O
,	O
it	O
is	O
also	O
available	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
.	O
</s>
<s>
In	O
May	O
2009	O
it	O
was	O
announced	O
that	O
the	O
development	O
team	O
started	O
a	O
new	O
commercial	O
renderer	O
,	O
although	O
Kerkythea	B-Application
will	O
be	O
updated	O
and	O
it	O
will	O
stay	O
free	O
and	O
available	O
.	O
</s>
<s>
In	O
June	O
2018	O
the	O
main	O
developer	O
announced	O
the	O
third	O
version	O
of	O
Kerkythea	B-Application
called	O
"	O
Kerkythea	B-Application
2018	O
Boost	O
"	O
.	O
</s>
<s>
There	O
are	O
6	O
official	O
exporters	O
for	O
Kerkythea	B-Application
.	O
</s>
<s>
Metropolis	B-Algorithm
light	I-Algorithm
transport	I-Algorithm
(	O
Kelemen	O
,	O
Kalos	O
et	O
al	O
.	O
)	O
</s>
