<s>
Zen	B-Language
Cart	I-Language
is	O
an	O
online	O
store	O
management	B-Protocol
system	I-Protocol
.	O
</s>
<s>
It	O
is	O
PHP-based	O
,	O
using	O
a	O
MySQL	B-Application
database	O
and	O
HTML	O
components	O
.	O
</s>
<s>
Support	O
is	O
provided	O
for	O
numerous	O
languages	O
and	O
currencies	O
,	O
and	O
it	O
is	O
freely	O
available	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
Zen	B-Language
Cart	I-Language
is	O
a	O
software	O
fork	O
that	O
branched	O
from	O
osCommerce	B-Language
in	O
2003	O
.	O
</s>
<s>
Beyond	O
some	O
aesthetic	O
changes	O
,	O
the	O
major	O
differences	O
between	O
the	O
two	O
systems	O
come	O
from	O
Zen	B-Language
Cart	I-Language
's	O
architectural	O
changes	O
(	O
for	O
example	O
,	O
a	O
template	O
system	O
)	O
and	O
additional	O
included	O
features	O
in	O
the	O
core	O
.	O
</s>
<s>
The	O
release	O
of	O
the	O
1.3.x	O
series	O
further	O
differentiated	O
Zen	B-Language
Cart	I-Language
by	O
moving	O
the	O
template	O
system	O
from	O
its	O
historic	O
tables-based	O
layout	O
approach	O
to	O
one	O
that	O
is	O
largely	O
CSS-based	O
.	O
</s>
