<s>
papaya	B-Language
CMS	I-Language
is	O
an	O
open-source	B-Application
content	B-Protocol
management	I-Protocol
system	I-Protocol
,	O
free	B-License
of	I-License
charge	I-License
and	O
complying	O
with	O
open	O
standards	O
like	O
XML	B-Protocol
as	O
data	O
format	O
,	O
XSLT	B-Application
as	O
templating	O
language	O
,	O
and	O
PHP	B-Application
for	O
programming	O
.	O
</s>
<s>
Development	O
started	O
in	O
2000	O
as	O
a	O
commercial	O
project	O
,	O
papaya	B-Language
CMS	I-Language
was	O
then	O
released	O
as	O
an	O
open-source	B-Application
CMS	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
in	O
2005	O
.	O
</s>
<s>
papaya	B-Language
CMS	I-Language
is	O
a	O
software	O
build	O
upon	O
a	O
modular	O
concept	O
,	O
to	O
use	O
it	O
as	O
framework	O
for	O
special	O
applications	O
beside	O
the	O
typical	O
tasks	O
of	O
a	O
content	B-Protocol
management	I-Protocol
system	I-Protocol
.	O
</s>
<s>
is	O
stored	O
as	O
XML	B-Protocol
in	O
a	O
relational	O
database	O
.	O
</s>
<s>
are	O
defined	O
centrally	O
and	O
can	O
be	O
accessed	O
through	O
an	O
abstraction	B-Architecture
layer	I-Architecture
.	O
</s>
<s>
papaya	B-Language
CMS	I-Language
is	O
developed	O
in	O
PHP	B-Application
and	O
object-oriented	O
.	O
</s>
<s>
Data	O
is	O
stored	O
in	O
XML	B-Protocol
,	O
XSLT	B-Application
is	O
used	O
as	O
template	O
language	O
.	O
</s>
<s>
Unlike	O
many	O
other	O
CMS	O
papaya	B-Language
CMS	I-Language
is	O
characterized	O
by	O
the	O
fact	O
that	O
it	O
is	O
available	O
under	O
the	O
GPL	B-License
on	O
the	O
one	O
side	O
.	O
</s>
<s>
With	O
its	O
clear	O
separation	O
of	O
content	O
,	O
layout	O
and	O
formatting	O
using	O
XSLT	B-Application
,	O
anything	O
possible	O
in	O
XHTML/HTML	O
can	O
be	O
implemented	O
in	O
papaya	B-Language
CMS	I-Language
-	O
this	O
is	O
in	O
the	O
hands	O
of	O
the	O
developer	O
.	O
</s>
