<s>
A	O
geometric	B-Algorithm
modeling	I-Algorithm
kernel	I-Algorithm
is	O
a	O
solid	O
modeling	O
software	O
component	O
used	O
in	O
computer-aided	B-Application
design	I-Application
(	O
CAD	B-Application
)	O
packages	O
.	O
</s>
<s>
SMLib	O
is	O
developed	O
by	O
Solid	B-Algorithm
Modeling	I-Algorithm
Solutions	I-Algorithm
.	O
</s>
<s>
Parasolid	B-Application
is	O
developed	O
and	O
licensed	O
by	O
Siemens	O
.	O
</s>
<s>
Romulus	B-Application
was	O
a	O
predecessor	O
to	O
Parasolid	B-Application
.	O
</s>
<s>
ShapeManager	B-Algorithm
is	O
developed	O
by	O
Autodesk	O
and	O
was	O
forked	O
from	O
ACIS	O
in	O
2001	O
.	O
</s>
<s>
C3D	B-Language
Modeler	I-Language
is	O
developed	O
by	O
C3D	B-Language
Labs	O
,	O
part	O
of	O
the	O
ASCON	O
Group	O
.	O
</s>
<s>
CGAL	B-Language
is	O
an	O
opensource	B-Application
Computational	B-Language
Geometry	I-Language
Algorithms	I-Language
Library	I-Language
which	O
has	O
support	O
for	O
boolean	O
operations	O
on	O
Polyhedra	O
;	O
but	O
no	O
sweep	O
,	O
revolve	O
or	O
NURBS	O
.	O
</s>
<s>
Open	B-Language
CASCADE	I-Language
is	O
an	O
opensource	B-Application
modeling	O
kernel	O
.	O
</s>
<s>
SvLis	O
Geometric	B-Algorithm
Kernel	I-Algorithm
became	O
opensource	B-Application
and	O
discontinued	O
,	O
for	O
Windows	O
only	O
.	O
</s>
<s>
Russian	B-Algorithm
Geometric	I-Algorithm
Kernel	I-Algorithm
.	O
</s>
<s>
SolveSpace	B-Algorithm
application	O
has	O
own	O
integrated	O
parametric	O
solid	O
geometry	O
kernel	O
with	O
a	O
limited	O
NURBS	O
support	O
.	O
</s>
<s>
The	O
kernel	O
market	O
currently	O
is	O
dominated	O
by	O
Parasolid	B-Application
and	O
ACIS	O
,	O
which	O
were	O
introduced	O
in	O
the	O
late	O
1980s	O
.	O
</s>
<s>
ShapeManager	B-Algorithm
has	O
no	O
presence	O
in	O
the	O
kernel	O
licensing	O
market	O
and	O
in	O
2001	O
Autodesk	O
clearly	O
stated	O
they	O
were	O
not	O
going	O
into	O
this	O
business	O
.	O
</s>
<s>
The	O
world	O
's	O
newest	O
geometric	B-Algorithm
modeling	I-Algorithm
kernel	I-Algorithm
is	O
Russian	B-Algorithm
Geometric	I-Algorithm
Kernel	I-Algorithm
owned	O
by	O
the	O
Russian	O
government	O
,	O
and	O
it	O
is	O
not	O
clear	O
if	O
it	O
is	O
going	O
to	O
be	O
commercially	O
available	O
,	O
despite	O
offering	O
unique	O
features	O
over	O
the	O
other	O
kernels	O
on	O
the	O
market	O
.	O
</s>
<s>
Platforms	O
Domain	O
Kernel	O
Application	O
Developed	O
by	O
Country	O
Windows	O
CAD	B-Application
,	O
AEC	O
Open	B-Language
CASCADE	I-Language
4MCAD	O
IntelliCAD	O
4M	O
S.A.	O
Greece	O
Windows	O
MCAD	B-Application
ACIS	O
/	O
KCM	O
KeyCreator	B-Algorithm
Kubotek3D	O
United	O
States	O
Windows	O
MCAD	B-Application
C3D	B-Language
KOMPAS-3D	O
ASCON	O
Group	O
Russia	O
Windows	O
AEC	O
C3D	B-Language
KOMPAS-Builder	O
ASCON	O
Group	O
Russia	O
Windows	O
CAD	B-Application
C3D	B-Language
+	O
K3	O
kernel	O
K3-Furniture	O
Center	O
GeoS	O
Russia	O
Windows	O
AEC	O
C3D	B-Language
Renga	O
Architecture	O
ASCON	O
Group	O
Russia	O
iPad	B-Device
MCAD	B-Application
Parasolid	B-Application
Shapr3D	O
Shapr3D	O
zrt	O
.	O
</s>
