<s>
The	O
Skia	B-Application
Graphics	I-Application
Engine	I-Application
or	O
Skia	B-Application
is	O
an	O
open-source	B-Application
2D	O
graphics	B-Library
library	I-Library
written	O
in	O
C++	B-Language
.	O
</s>
<s>
Skia	B-Application
abstracts	O
away	O
platform-specific	O
graphics	B-Library
API	I-Library
(	O
which	O
differ	O
from	O
one	O
to	O
another	O
)	O
.	O
</s>
<s>
Skia	B-Application
Inc	O
.	O
originally	O
developed	O
the	O
library	O
;	O
Google	B-Application
acquired	O
it	O
in	O
2005	O
,	O
and	O
then	O
released	O
the	O
software	O
as	O
open	O
source	O
licensed	O
under	O
the	O
New	O
BSD	O
free	B-License
software	I-License
license	I-License
in	O
2008	O
.	O
</s>
<s>
In	O
order	O
to	O
stay	O
multi-platform	O
Skia	B-Application
supports	O
several	O
(	O
platform-dependent	O
)	O
back-ends	O
.	O
</s>
<s>
GPU-accelerated	O
rendering	O
by	O
using	O
:	O
</s>
<s>
Vulkan	B-Application
,	O
and	O
Metal	B-Library
.	O
</s>
<s>
Skia	B-Application
is	O
most	O
similar	O
in	O
purpose	O
to	O
Cairo	B-Language
or	O
Pathfinder	O
(	O
meaning	O
that	O
it	O
focuses	O
on	O
drawing	O
)	O
rather	O
than	O
to	O
other	O
more	O
elaborate	O
APIs	O
like	O
that	O
one	O
of	O
Qt	B-Language
that	O
provide	O
their	O
own	O
widgets	O
and	O
UI	O
description	O
language	O
etc	O
.	O
</s>
<s>
The	O
library	O
is	O
used	O
in	O
Google	B-Application
Chrome	I-Application
,	O
ChromeOS	B-Operating_System
,	O
ChromiumOS	B-Application
,	O
Mozilla	B-Application
Firefox	I-Application
,	O
Mozilla	B-Application
Thunderbird	I-Application
,	O
Android	B-Application
,	O
Firefox	B-Operating_System
OS	I-Operating_System
,	O
Flutter	B-Application
,	O
Avalonia	O
(	O
from	O
Alpha	O
4	O
)	O
and	O
LibreOffice	B-Application
(	O
from	O
version	O
7.0	O
)	O
.	O
</s>
<s>
The	O
Skia	B-Application
library	O
is	O
also	O
present	O
on	O
the	O
BlackBerry	B-Application
PlayBook	I-Application
,	O
though	O
the	O
extent	O
of	O
its	O
usage	O
is	O
unclear	O
.	O
</s>
<s>
Skia	B-Application
Inc	O
,	O
developers	O
of	O
the	O
Skia	B-Application
Graphics	I-Application
Engine	I-Application
,	O
was	O
founded	O
in	O
2004	O
by	O
Mike	O
Reed	O
and	O
Cary	O
Clark	O
in	O
Chapel	O
Hill	O
North	O
Carolina	O
,	O
before	O
being	O
acquired	O
by	O
Google	B-Application
in	O
2005	O
.	O
</s>
