<s>
OpenThesaurus	B-Application
is	O
a	O
multilingual	O
thesaurus	O
project	O
built	O
in	O
open	O
collaboration	O
by	O
volunteers	O
.	O
</s>
<s>
It	O
is	O
known	O
for	O
its	O
usage	O
in	O
the	O
applications	O
OpenOffice.org,	O
LibreOffice	B-Application
,	O
KWord	B-Protocol
,	O
Lyx	B-Language
,	O
and	O
Apple	B-Operating_System
Dictionary	I-Operating_System
.	O
</s>
<s>
The	O
data	O
is	O
freely	O
available	O
under	O
the	O
terms	O
of	O
the	O
GNU	B-Application
Lesser	I-Application
General	I-Application
Public	I-Application
License	I-Application
(	O
LGPL	B-Application
)	O
.	O
</s>
<s>
Apart	O
from	O
that	O
the	O
data	O
is	O
also	O
available	O
in	O
formats	O
for	O
use	O
with	O
the	O
word	B-General_Concept
processors	I-General_Concept
of	O
the	O
office	O
suites	O
LibreOffice	B-Application
and	O
OpenOffice.org	B-Application
(	O
Writer	B-Application
)	O
or	O
as	O
a	O
complete	O
database	O
dump	O
.	O
</s>
<s>
The	O
cause	O
for	O
the	O
start	O
of	O
the	O
project	O
was	O
the	O
arrival	O
of	O
OpenOffice.org	B-Application
in	O
2002	O
,	O
which	O
was	O
missing	O
the	O
thesaurus	O
of	O
its	O
parent	O
,	O
StarOffice	B-Application
,	O
due	O
to	O
its	O
licensing	O
.	O
</s>
<s>
OpenThesaurus	B-Application
filled	O
that	O
gap	O
by	O
importing	O
possible	O
synonyms	O
from	O
a	O
freely	O
available	O
German/English	O
dictionary	B-Operating_System
and	O
refining	O
and	O
updating	O
these	O
in	O
crowdsourced	O
work	O
through	O
the	O
use	O
of	O
a	O
web	O
application	O
.	O
</s>
<s>
Since	O
version	O
2.0.3	O
OpenOffice.org	B-Application
innately	O
ships	O
with	O
OpenThesaurus	B-Application
.	O
</s>
<s>
The	O
project	O
has	O
gained	O
a	O
lot	O
of	O
popularity	O
following	O
the	O
arrival	O
of	O
Apple	B-Operating_System
Dictionary	I-Operating_System
in	O
Mac	O
OS	O
X	O
10.5	O
,	O
which	O
can	O
integrate	O
OpenThesaurus	B-Application
data	O
through	O
a	O
plugin	O
.	O
</s>
