<s>
GstarCAD	B-Algorithm
is	O
a	O
CAD	B-Application
(	O
Computer	B-Application
Aided	I-Application
Design	I-Application
or	O
Computer	B-Application
Aided	I-Application
Drafting	I-Application
)	O
software	B-Device
platform	I-Device
,	O
using	O
the	O
Open	O
Design	O
Alliance	O
DWG	O
libraries	O
to	O
read	O
and	O
write	O
the	O
DWG	O
file	O
format	O
made	O
popular	O
by	O
the	O
AutoCAD	B-Algorithm
CAD	B-Application
package	O
.	O
</s>
<s>
GstarCAD	B-Algorithm
is	O
a	O
capable	O
alternative	O
to	O
other	O
well-known	O
CAD	B-Application
packages	O
on	O
the	O
market	O
,	O
and	O
provides	O
OpenDWG	O
file	O
compatibility	O
,	O
as	O
well	O
as	O
an	O
interface	O
which	O
is	O
very	O
similar	O
to	O
that	O
of	O
AutoCAD	B-Algorithm
.	O
</s>
<s>
Gstarsoft	O
has	O
also	O
released	O
versions	O
for	O
mobile	O
devices	O
called	O
GstarCAD	B-Algorithm
MC	O
which	O
runs	O
on	O
iOS	O
and	O
Android	O
.	O
</s>
<s>
GstarCAD	B-Algorithm
's	O
GRX	O
API	O
means	O
that	O
software	O
written	O
for	O
AutoCADs	B-Algorithm
ARX	O
API	O
can	O
run	O
on	O
both	O
without	O
changes	O
to	O
the	O
code	O
.	O
</s>
