<s>
MotionBuilder	B-Application
is	O
a	O
3D	O
character	O
animation	O
software	O
produced	O
by	O
Autodesk	O
.	O
</s>
<s>
It	O
is	O
used	O
for	O
virtual	O
cinematography	O
,	O
motion	B-Application
capture	I-Application
,	O
and	O
traditional	O
keyframe	O
animation	O
.	O
</s>
<s>
It	O
was	O
originally	O
named	O
Filmbox	B-Application
when	O
it	O
was	O
first	O
created	O
by	O
Canadian	O
company	O
Kaydara	O
,	O
later	O
acquired	O
by	O
Alias	O
and	O
renamed	O
to	O
MotionBuilder	B-Application
.	O
</s>
<s>
A	O
software	B-Application
development	I-Application
kit	I-Application
that	O
exposes	O
functionality	O
through	O
Python	B-Language
and	O
C++	B-Language
via	O
Qt	B-Language
and	O
PySide	B-Language
.	O
</s>
