<s>
Orca	B-Language
is	O
a	O
free	B-License
and	I-License
open-source	I-License
,	O
flexible	O
,	O
extensible	O
screen	O
reader	O
from	O
the	O
GNOME	B-Application
project	O
for	O
individuals	O
who	O
are	O
blind	O
or	O
visually	O
impaired	O
.	O
</s>
<s>
Using	O
various	O
combinations	O
of	O
speech	O
synthesis	O
and	O
braille	O
,	O
Orca	B-Language
helps	O
provide	O
access	O
to	O
applications	O
and	O
toolkits	O
that	O
support	O
AT-SPI	B-Language
(	O
e.g.	O
,	O
the	O
GNOME	B-Application
desktop	I-Application
,	O
Mozilla	O
Firefox/Thunderbird	O
,	O
OpenOffice.org/LibreOffice	O
and	O
GTK	B-Application
,	O
Qt	B-Language
and	O
Java	O
Swing/SWT	O
applications	O
)	O
.	O
</s>
<s>
The	O
name	O
Orca	B-Language
,	O
which	O
is	O
another	O
term	O
for	O
a	O
killer	O
whale	O
,	O
is	O
a	O
nod	O
to	O
the	O
long-standing	O
tradition	O
of	O
naming	O
screen	O
readers	O
after	O
aquatic	O
creatures	O
,	O
including	O
the	O
Assistive	O
Technology	O
product	O
on	O
Windows	O
called	O
JAWS	B-Application
(	O
which	O
stands	O
for	O
Job	B-Application
Access	I-Application
With	I-Application
Speech	I-Application
)	O
,	O
the	O
early	O
DOS	O
screen	O
reader	O
called	O
Flipper	O
,	O
and	O
the	O
UK	O
vision	O
impairment	O
company	O
Dolphin	O
Computer	O
Access	O
.	O
</s>
<s>
As	O
of	O
GNOME	B-Application
2.16	O
,	O
Orca	B-Language
is	O
the	O
default	O
screen	O
reader	O
of	O
the	O
GNOME	B-Application
platform	O
,	O
replacing	O
Gnopernicus	B-Language
.	O
</s>
<s>
As	O
a	O
result	O
,	O
Orca	B-Language
follows	O
the	O
GNOME	B-Application
stable	O
release	O
cycles	O
of	O
approximately	O
six-months	O
.	O
</s>
<s>
Orca	B-Language
is	O
provided	O
by	O
default	O
on	O
a	O
number	O
of	O
operating	O
system	O
distributions	O
,	O
including	O
Solaris	B-Application
,	O
Fedora	O
,	O
openSUSE	B-Operating_System
and	O
Ubuntu	B-Operating_System
.	O
</s>
<s>
The	O
development	O
of	O
Orca	B-Language
was	O
started	O
by	O
the	O
Accessibility	O
Program	O
Office	O
(	O
APO	O
)	O
of	O
Sun	O
Microsystems	O
,	O
Inc	O
.	O
(	O
now	O
Oracle	B-Application
)	O
with	O
contributions	O
from	O
many	O
community	O
members	O
.	O
</s>
<s>
The	O
original	O
idea	O
and	O
the	O
first	O
working	O
prototype	O
for	O
Orca	B-Language
was	O
started	O
in	O
May	O
2004	O
by	O
Marc	O
Mulcahy	O
,	O
a	O
blind	O
programmer	O
who	O
worked	O
for	O
Sun	O
Microsystems	O
.	O
</s>
<s>
When	O
Oracle	B-Application
acquired	O
Sun	O
Microsystems	O
in	O
2010	O
they	O
cut	O
developer	O
jobs	O
of	O
full-time	O
developers	O
working	O
on	O
GNOME	B-Application
accessibility	O
components	O
,	O
including	O
Orca	B-Language
main	O
maintainer	O
Willie	O
Walker	O
.	O
</s>
<s>
Since	O
then	O
,	O
Orca	B-Language
is	O
run	O
by	O
volunteers	O
,	O
led	O
by	O
Joanmarie	O
Diggs	O
.	O
</s>
<s>
On	O
September	O
7	O
,	O
2011	O
,	O
Igalia	O
,	O
a	O
company	O
specialized	O
in	O
Free	O
Software	O
,	O
hired	O
Joanmarie	O
Diggs	O
and	O
is	O
supporting	O
her	O
work	O
in	O
Orca	B-Language
.	O
</s>
<s>
Orca	B-Language
's	O
profiles	O
allow	O
users	O
to	O
save	O
and	O
load	O
multiple	O
configurations	O
and	O
the	O
users	O
can	O
quickly	O
access	O
to	O
different	O
profiles	O
,	O
making	O
it	O
far	O
easier	O
to	O
access	O
multilingual	O
text	O
and	O
environments	O
.	O
</s>
<s>
Orca	B-Language
development	O
has	O
been	O
led	O
by	O
their	O
maintainers	O
with	O
the	O
help	O
of	O
its	O
community	O
.	O
</s>
