<s>
openCanvas	B-Application
is	O
a	O
raster	B-Application
graphics	I-Application
software	I-Application
developed	O
and	O
published	O
by	O
PGN	O
Corp	O
.	O
</s>
<s>
It	O
was	O
originally	O
released	O
as	O
freeware	B-License
in	O
2000	O
,	O
but	O
moved	O
to	O
a	O
shareware	B-License
model	O
starting	O
with	O
version	O
2	O
.	O
</s>
<s>
A	O
higher	O
performance	O
version	O
"	O
openCanvas	B-Application
Plus	O
"	O
has	O
been	O
released	O
simultaneously	O
since	O
version	O
3	O
.	O
</s>
<s>
Its	O
functions	O
are	O
similar	O
to	O
Adobe	B-Operating_System
Photoshop	I-Operating_System
or	O
Corel	B-Operating_System
Painter	I-Operating_System
.	O
</s>
<s>
In	O
2009	O
,	O
portalgraphics.net	O
ended	O
the	O
sales	O
of	O
the	O
openCanvas	B-Application
English	O
versions	O
.	O
</s>
<s>
However	O
,	O
the	O
English	O
portalgraphics	O
website	O
went	O
active	O
again	O
shortly	O
afterward	O
,	O
and	O
portalgraphics	O
has	O
continued	O
sales	O
of	O
openCanvas	B-Application
series	O
to	O
the	O
present	O
.	O
</s>
<s>
"	O
openCanvas	B-Application
5.5.18	O
"	O
was	O
released	O
on	O
July	O
26	O
,	O
2013	O
in	O
Japanese	O
and	O
English	O
.	O
</s>
<s>
On	O
July	O
3	O
,	O
2014	O
,	O
"	O
openCanvas	B-Application
6.0.00	O
"	O
was	O
released	O
with	O
64-bit	O
support	O
.	O
</s>
<s>
openCanvas	B-Application
4.5/	O
4.5	O
Plus	O
was	O
released	O
on	O
April	O
5	O
,	O
2007	O
.	O
</s>
<s>
OS	B-General_Concept
:	O
WindowsMe	O
/	O
2000	O
/	O
XP	O
(	O
Neither	O
Windows	O
98	O
nor	O
95	O
are	O
supported	O
.	O
</s>
<s>
openCanvas	B-Application
4.5/	O
4.5	O
Plus	O
does	O
not	O
support	O
Windows	O
Vista	O
formally	O
.	O
)	O
</s>
<s>
openCanvas	B-Application
5.05	O
was	O
released	O
on	O
April	O
4	O
,	O
2011	O
.	O
</s>
<s>
openCanvas	B-Application
5.5	O
was	O
released	O
on	O
July	O
2	O
,	O
2012	O
.	O
</s>
<s>
openCanvas	B-Application
6.0	O
was	O
released	O
on	O
August	O
29	O
,	O
2014	O
.	O
</s>
