<s>
Grok	B-Language
is	O
an	O
open-source	O
web	B-Application
framework	I-Application
based	O
on	O
Zope	B-Language
Toolkit	I-Language
(	O
ZTK	O
)	O
technology	O
.	O
</s>
<s>
The	O
primary	O
motive	O
behind	O
Grok	B-Language
is	O
to	O
make	O
the	O
Zope	B-Language
Toolkit	I-Language
technology	O
more	O
accessible	O
and	O
easier	O
to	O
use	O
for	O
newcomers	O
and	O
,	O
at	O
the	O
same	O
time	O
,	O
speed	O
up	O
application	O
development	O
,	O
in	O
accordance	O
with	O
the	O
agile	O
programming	O
paradigm	O
.	O
</s>
<s>
To	O
achieve	O
this	O
,	O
Grok	B-Language
uses	O
convention-over-configuration	B-Application
instead	O
of	O
using	O
an	O
explicit	O
XML	O
based	O
configuration	O
language	O
(	O
ZCML	O
)	O
as	O
Zope	B-Language
Toolkit	I-Language
and	O
BlueBream	B-Language
do	O
.	O
</s>
<s>
Grok	B-Language
uses	O
Python	B-Language
code	I-Language
for	O
component	O
configuration	O
,	O
and	O
has	O
many	O
implicit	O
defaults	O
and	O
conventions	O
.	O
</s>
<s>
Grok	B-Language
is	O
similar	O
in	O
feel	O
to	O
other	O
Python	B-Language
Web	B-Application
frameworks	I-Application
such	O
as	O
TurboGears	B-Language
,	O
Pylons	O
and	O
Django	B-Language
.	O
</s>
