<s>
BOUML	B-Application
is	O
a	O
Unified	B-Language
Modeling	I-Language
Language	I-Language
(	O
UML	B-Language
)	O
diagram	O
designer	O
.	O
</s>
<s>
Programmed	O
in	O
C++	B-Language
and	O
Qt	B-Language
,	O
it	O
is	O
multilingual	O
,	O
and	O
supports	O
code	O
generation	O
and	O
code	O
reverse	O
engineering	O
.	O
</s>
<s>
The	O
releases	O
prior	O
to	O
version	O
4.23	O
are	O
free	B-Application
software	I-Application
licensed	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
(	O
GPL	B-License
)	O
.	O
</s>
<s>
BOUML	B-Application
5	O
up	O
to	O
6.12	O
is	O
proprietary	B-Application
software	I-Application
.	O
</s>
<s>
BOUML	B-Application
7	O
and	O
later	O
is	O
free	B-Application
software	I-Application
.	O
</s>
<s>
In	O
September	O
2010	O
,	O
developer	O
Bruno	O
Pagès	O
announced	O
that	O
he	O
was	O
ceasing	O
work	O
on	O
BOUML	B-Application
(	O
other	O
than	O
bug	O
fixes	O
)	O
,	O
citing	O
"	O
copyright	O
violations	O
and	O
mismanagement	O
from	O
Wikipedia	O
administrators	O
"	O
.	O
</s>
<s>
However	O
,	O
several	O
patches	O
were	O
released	O
after	O
the	O
announcement	O
,	O
the	O
last	O
being	O
BOUML	B-Application
4.23	O
ultimate	O
patch	O
7	O
in	O
October	O
2011	O
.	O
</s>
<s>
It	O
has	O
a	O
new	O
file	O
format	O
,	O
but	O
is	O
backward	B-General_Concept
compatible	I-General_Concept
in	O
that	O
version	O
5	O
can	O
read	O
project	O
files	O
saved	O
by	O
the	O
old	O
versions	O
.	O
</s>
<s>
In	O
August	O
2012	O
,	O
version	O
6	O
was	O
released	O
as	O
the	O
first	O
version	O
managing	O
MySQL	B-Application
.	O
</s>
<s>
In	O
May	O
2017	O
,	O
BOUML	B-Application
is	O
again	O
free	O
of	O
use	O
and	O
the	O
version	O
7	O
was	O
released	O
as	O
the	O
first	O
of	O
the	O
new	O
free	O
versions	O
,	O
it	O
is	O
still	O
backward	B-General_Concept
compatible	I-General_Concept
in	O
that	O
version	O
7	O
can	O
read	O
project	O
files	O
saved	O
by	O
the	O
old	O
versions	O
.	O
</s>
<s>
In	O
August	O
2021	O
,	O
developer	O
Bruno	O
Pagès	O
announced	O
the	O
end	O
of	O
the	O
development	O
of	O
BOUML	B-Application
due	O
to	O
obsolescence	O
of	O
the	O
used	O
framework	O
.	O
</s>
<s>
BOUML	B-Application
can	O
automatically	O
generate	O
code	O
from	O
the	O
UML	B-Language
class	O
diagrams	O
and	O
rebuild	O
them	O
from	O
existing	O
source	O
code	O
using	O
the	O
following	O
languages	O
:	O
C++	B-Language
,	O
Java	B-Language
,	O
PHP	B-Application
,	O
and	O
MYSQL	B-Application
.	O
</s>
<s>
It	O
can	O
also	O
generate	O
code	O
for	O
Python	B-Language
and	O
IDL	B-Language
,	O
but	O
not	O
extract	O
the	O
UML	B-Language
model	O
for	O
these	O
languages	O
.	O
</s>
