<s>
WURFL	B-Application
(	O
Wireless	O
Universal	O
Resource	O
FiLe	O
)	O
is	O
a	O
set	O
of	O
proprietary	O
application	B-Application
programming	I-Application
interfaces	I-Application
(	O
APIs	B-Application
)	O
and	O
an	O
XML	B-Protocol
configuration	O
file	O
which	O
contains	O
information	O
about	O
device	O
capabilities	O
and	O
features	O
for	O
a	O
variety	O
of	O
mobile	O
devices	O
,	O
focused	O
on	O
mobile	O
device	O
detection	O
.	O
</s>
<s>
Until	O
version	O
2.2	O
,	O
WURFL	B-Application
was	O
released	O
under	O
an	O
"	O
open	O
source	O
/	O
public	O
domain	O
"	O
license	O
.	O
</s>
<s>
Prior	O
to	O
version	O
2.2	O
,	O
device	O
information	O
was	O
contributed	O
by	O
developers	O
around	O
the	O
world	O
and	O
the	O
WURFL	B-Application
was	O
updated	O
frequently	O
,	O
reflecting	O
new	O
wireless	O
devices	O
coming	O
on	O
the	O
market	O
.	O
</s>
<s>
In	O
June	O
2011	O
,	O
the	O
founder	O
of	O
the	O
WURFL	B-Application
project	O
,	O
Luca	O
Passani	O
,	O
and	O
Steve	O
Kamerman	O
,	O
the	O
author	O
of	O
Tera-WURFL	O
,	O
a	O
popular	O
PHP	B-Application
WURFL	B-Application
API	B-Application
,	O
formed	O
ScientiaMobile	B-Application
,	O
Inc	O
to	O
provide	O
commercial	O
mobile	O
device	O
detection	O
support	O
and	O
services	O
using	O
WURFL	B-Application
.	O
</s>
<s>
As	O
of	O
August	O
30	O
,	O
2011	O
,	O
the	O
ScientiaMobile	B-Application
WURFL	B-Application
APIs	B-Application
are	O
licensed	O
under	O
a	O
dual-license	B-License
model	O
,	O
using	O
the	O
AGPL	O
license	O
for	O
non-commercial	O
use	O
and	O
a	O
proprietary	O
commercial	O
license	O
.	O
</s>
<s>
The	O
current	O
version	O
of	O
the	O
WURFL	B-Application
database	O
itself	O
is	O
no	O
longer	O
open	O
source	O
.	O
</s>
<s>
There	O
have	O
been	O
several	O
approaches	O
to	O
this	O
problem	O
,	O
including	O
developing	O
very	O
primitive	O
content	O
and	O
hoping	O
it	O
works	O
on	O
a	O
variety	O
of	O
devices	O
,	O
limiting	O
support	O
to	O
a	O
small	O
subset	O
of	O
devices	O
or	O
bypassing	O
the	O
browser	O
solution	O
altogether	O
and	O
developing	O
a	O
Java	B-Language
ME	I-Language
or	O
BREW	B-Application
client	O
application	O
.	O
</s>
<s>
WURFL	B-Application
solves	O
this	O
by	O
allowing	O
development	O
of	O
content	O
pages	O
using	O
abstractions	O
of	O
page	O
elements	O
(	O
buttons	O
,	O
links	O
and	O
textboxes	O
for	O
example	O
)	O
.	O
</s>
<s>
In	O
addition	O
,	O
the	O
developer	O
can	O
specify	O
other	O
content	O
decisions	O
be	O
made	O
at	O
runtime	O
based	O
on	O
device	O
specific	O
capabilities	O
and	O
features	O
(	O
which	O
are	O
all	O
in	O
the	O
WURFL	B-Application
)	O
.	O
</s>
<s>
In	O
March	O
2012	O
,	O
ScientiaMobile	B-Application
has	O
announced	O
the	O
launch	O
of	O
the	O
WURFL	B-Application
Cloud	O
.	O
</s>
<s>
While	O
the	O
WURFL	B-Application
Cloud	O
is	O
a	O
paid	O
service	O
,	O
a	O
free	O
offer	O
is	O
made	O
available	O
to	O
hobbyists	O
and	O
micro-companies	O
for	O
use	O
on	O
mobile	O
sites	O
with	O
limited	O
traffic	O
.	O
</s>
<s>
In	O
October	O
2012	O
,	O
ScientiaMobile	B-Application
has	O
announced	O
the	O
availability	O
of	O
a	O
C++	B-Language
API	B-Application
,	O
an	O
Apache	B-Application
module	O
,	O
an	O
NGINX	B-Operating_System
module	O
and	O
Varnish	B-Language
Cache	I-Language
module	O
.	O
</s>
<s>
Later	O
in	O
November	O
2016	O
,	O
ScientiaMobile	B-Application
provided	O
a	O
module	O
for	O
the	B-Language
HAProxy	I-Language
load	I-Language
balancer	I-Language
.	O
</s>
<s>
Differently	O
from	O
other	O
WURFL	B-Application
APIs	B-Application
,	O
the	O
C++	B-Language
API	B-Application
and	O
the	O
modules	O
are	O
distributed	O
commercially	O
exclusively	O
.	O
</s>
<s>
Several	O
popular	O
Linux	O
distribution	O
are	O
supported	O
through	O
RPM	B-Application
and	O
DEB	O
packages	O
.	O
</s>
<s>
In	O
2014	O
,	O
WURFL.io	O
was	O
launched	O
.	O
</s>
<s>
WURFL.io	O
features	O
non-commercial	O
products	O
and	O
services	O
from	O
ScientiaMobile	B-Application
:	O
</s>
<s>
WURFL.js	O
:	O
a	O
JavaScript	O
device	O
detection	O
service	O
that	O
makes	O
Server-Side	O
detected	O
properties	O
(	O
WURFL	B-Application
capabilities	O
)	O
available	O
to	O
the	O
JavaScript	O
in	O
web	O
pages	O
.	O
</s>
<s>
ImageEngine	O
:	O
a	O
WURFL-based	O
Image	O
CDN	O
for	O
optimizing	O
image	O
delivery	O
on	O
the	O
web	O
.	O
</s>
<s>
delivering	O
WML	B-General_Concept
,	O
C-HTML	O
and	O
XHTML	O
Mobile	O
Profile	O
to	O
the	O
device	O
from	O
which	O
the	O
HTTP	O
request	O
originates	O
,	O
depending	O
on	O
the	O
actual	O
capabilities	O
of	O
the	O
device	O
itself	O
.	O
</s>
<s>
Device	O
capabilities	O
are	O
queried	O
dynamically	O
using	O
the	O
WURFL	B-Application
API	B-Application
.	O
</s>
<s>
A	O
WALL	O
port	O
to	O
PHP	B-Application
(	O
called	O
WALL4PHP	O
)	O
is	O
also	O
available	O
.	O
</s>
<s>
WURFL	B-Application
is	O
currently	O
supported	O
using	O
the	O
following	O
.	O
</s>
<s>
The	O
PHP/MySQL	O
based	O
Tera-WURFL	O
API	B-Application
comes	O
with	O
a	O
remote	O
webservice	O
that	O
allows	O
you	O
to	O
query	O
the	O
WURFL	B-Application
from	O
any	O
language	O
that	O
supports	O
XML	B-Protocol
webservices	O
and	O
includes	O
clients	O
for	O
the	O
following	O
languages	O
out	O
of	O
the	O
box	O
:	O
</s>
<s>
The	O
August	O
29	O
,	O
2011	O
update	O
of	O
WURFL	B-Application
included	O
a	O
new	O
set	O
of	O
licensing	O
terms	O
.	O
</s>
<s>
These	O
terms	O
set	O
forth	O
a	O
number	O
of	O
licenses	O
under	O
which	O
WURFL	B-Application
could	O
be	O
used	O
.	O
</s>
<s>
The	O
free	O
version	O
of	O
the	O
license	O
does	O
not	O
allow	O
derivative	O
works	O
,	O
and	O
prevents	O
direct	O
access	O
to	O
the	O
wurfl.xml	O
file	O
.	O
</s>
<s>
As	O
a	O
result	O
of	O
the	O
"	O
no-derivates	O
"	O
clause	O
,	O
users	O
are	O
no	O
longer	O
permitted	O
to	O
add	O
new	O
device	O
capabilities	O
to	O
the	O
WURFL	B-Application
file	O
either	O
directly	O
or	O
through	O
the	O
submissions	O
of	O
"	O
patches	O
"	O
.	O
</s>
<s>
A	O
commercial	O
license	O
is	O
required	O
to	O
utilize	O
third-party	O
API	B-Application
's	O
with	O
the	O
WURFL	B-Application
Repository	O
.	O
</s>
<s>
On	O
January	O
3	O
,	O
2012	O
,	O
ScientiaMobile	B-Application
filed	O
a	O
DMCA	O
takedown	O
notice	O
against	O
the	O
open-source	O
device	O
database	O
OpenDDR	O
that	O
contains	O
data	O
from	O
a	O
previous	O
version	O
of	O
WURFL	B-Application
.	O
</s>
<s>
On	O
March	O
22	O
,	O
2012	O
it	O
was	O
announced	O
by	O
Matthew	O
Weier	O
O'Phinney	O
that	O
Zend	B-Language
Framework	I-Language
would	O
be	O
dropping	O
support	O
for	O
WURFL	B-Application
as	O
of	O
version	O
1.12	O
.	O
</s>
<s>
This	O
was	O
due	O
to	O
the	O
licence	O
change	O
which	O
makes	O
it	O
incompatible	O
with	O
the	O
Zend	B-Language
Framework	I-Language
's	O
licensing	O
as	O
the	O
new	O
licensing	O
now	O
requires	O
that	O
you	O
"	O
open-source	O
the	O
full	O
source	O
code	O
of	O
your	O
web	O
site	O
,	O
irrespective	O
of	O
the	O
fact	O
that	O
you	O
may	O
modify	O
the	O
WURFL	B-Application
API	B-Application
or	O
not.	O
"	O
</s>
