<s>
LibreCAD	B-Language
is	O
a	O
computer-aided	B-Application
design	I-Application
(	O
CAD	B-Application
)	O
application	B-Application
for	O
2D	O
design	O
.	O
</s>
<s>
It	O
is	O
free	B-License
and	I-License
open-source	I-License
,	O
and	O
available	O
for	O
Linux	B-Application
,	O
macOS	B-Application
,	O
and	O
Windows	O
operating	O
systems	O
.	O
</s>
<s>
Most	O
of	O
the	O
interface	O
and	O
handle	O
concepts	O
are	O
analogous	O
to	O
AutoCAD	B-Algorithm
,	O
making	O
it	O
easier	O
to	O
use	O
for	O
users	O
with	O
experience	O
in	O
this	O
type	O
of	O
commercial	O
CAD	B-Application
application	B-Application
.	O
</s>
<s>
Around	O
2010	O
,	O
the	O
QCAD	B-Language
Community	I-Language
Edition	I-Language
v2.0.5.0	O
was	O
forked	O
to	O
start	O
the	O
development	O
of	O
what	O
is	O
now	O
known	O
as	O
LibreCAD	B-Language
.	O
</s>
<s>
Originally	O
,	O
the	O
GUI	B-Application
was	O
based	O
on	O
Qt3	B-Language
libraries	O
.	O
</s>
<s>
LibreCAD	B-Language
relies	O
on	O
a	O
GUI	B-Application
based	O
on	O
Qt5	O
libraries	O
,	O
so	O
it	O
can	O
run	O
on	O
several	O
platforms	B-Device
in	O
the	O
same	O
way	O
.	O
</s>
<s>
The	O
GNU	B-Algorithm
LibreDWG	I-Algorithm
library	O
is	O
released	O
under	O
GPLv3	O
,	O
so	O
it	O
cannot	O
be	O
used	O
by	O
GPLv2-licensed	O
LibreCAD	B-Language
(	O
and	O
FreeCAD	B-Language
)	O
because	O
their	O
licenses	O
are	O
incompatible	O
.	O
</s>
<s>
A	O
request	O
also	O
went	O
to	O
the	O
FSF	B-Operating_System
to	O
relicense	O
GNU	B-Algorithm
LibreDWG	I-Algorithm
as	O
GPLv2	O
,	O
which	O
was	O
rejected	O
.	O
</s>
<s>
LibreCAD	B-Language
is	O
available	O
in	O
over	O
30	O
languages	O
.	O
</s>
<s>
It	O
uses	O
the	O
AutoCAD	B-Algorithm
DXF	O
file	O
format	O
internally	O
for	O
import	O
and	O
save	O
files	O
,	O
as	O
well	O
as	O
allowing	O
export	O
to	O
many	O
other	O
file	O
formats	O
.	O
</s>
<s>
As	O
of	O
version	O
2.2.0	O
,	O
LibreCAD	B-Language
is	O
capable	O
of	O
reading	O
and	O
writing	O
the	O
following	O
file	O
formats	O
:	O
</s>
