<s>
LimeSurvey	B-Language
(	O
formerly	O
PHPSurveyor	B-Language
)	O
is	O
a	O
free	B-License
and	I-License
open	I-License
source	I-License
on-line	O
statistical	O
survey	O
web	B-Application
app	I-Application
written	O
in	O
PHP	B-Application
based	O
on	O
a	O
MySQL	B-Application
,	O
SQLite	B-Language
,	O
PostgreSQL	B-Application
or	O
MSSQL	B-Application
database	O
,	O
distributed	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
As	O
a	O
web	O
server-based	O
software	O
it	O
enables	O
users	O
using	O
a	O
web	O
interface	O
to	O
develop	O
and	O
publish	O
on-line	O
surveys	O
,	O
collect	O
responses	O
,	O
create	O
statistics	O
,	O
and	O
export	O
the	O
resulting	O
data	O
to	O
other	O
applications	O
.	O
</s>
<s>
LimeSurvey	B-Language
was	O
registered	O
as	O
a	O
SourceForge.net	B-Application
project	O
called	O
PHPSurveyor	B-Language
on	O
February	O
20	O
,	O
2003	O
and	O
was	O
originally	O
written	O
by	O
the	O
Australian	O
software	O
developer	O
Jason	O
Cleeland	O
.	O
</s>
<s>
In	O
2004	O
,	O
during	O
the	O
2004	O
U.S.	O
presidential	O
election	O
,	O
PHPSurveyor	B-Language
was	O
used	O
to	O
gather	O
data	O
about	O
voting	O
irregularities	O
.	O
</s>
<s>
On	O
May	O
17	O
,	O
2007	O
the	O
project	O
name	O
was	O
changed	O
from	O
PHPSurveyor	B-Language
to	O
LimeSurvey	B-Language
in	O
order	O
to	O
make	O
software	B-License
licensing	I-License
easier	O
by	O
not	O
including	O
PHP	B-Application
in	O
the	O
name	O
.	O
</s>
<s>
In	O
late	O
2008	O
,	O
a	O
LimeSurvey	B-Language
hosting	O
service	O
named	O
LimeService	O
was	O
created	O
by	O
LimeSurvey	B-Language
project	O
leader	O
Carsten	O
Schmitz	O
.	O
</s>
<s>
It	O
hosts	O
LimeSurvey	B-Language
for	O
users	O
for	O
a	O
small	O
fee	O
per	O
response	O
.	O
</s>
<s>
As	O
of	O
June	O
4	O
,	O
2008	O
,	O
LimeSurvey	B-Language
was	O
ranked	O
on	O
SourceForge.net	B-Application
with	O
an	O
overall	O
rank	O
of	O
99	O
out	O
of	O
over	O
100,000	O
projects	O
as	O
of	O
June	O
4	O
,	O
2008	O
.	O
</s>
<s>
In	O
2009	O
,	O
LimeSurvey	B-Language
participated	O
in	O
the	B-Application
Google	I-Application
Summer	B-Application
of	I-Application
Code	I-Application
,	O
a	O
program	O
encouraging	O
students	O
older	O
than	O
18	O
years	O
old	O
to	O
work	O
on	O
projects	O
aimed	O
at	O
helping	O
open-source	B-License
projects	O
.	O
</s>
<s>
The	O
student	O
projects	O
helped	O
develop	O
the	O
interface	O
and	O
statistical	O
modules	O
of	O
the	O
upcoming	O
LimeSurvey	B-Language
2.0	O
.	O
</s>
<s>
In	O
2010	O
,	O
LimeSurvey	B-Language
again	O
participated	O
in	O
Google	B-Application
Summer	I-Application
of	I-Application
Code	I-Application
.	O
</s>
<s>
Students	O
developed	O
a	O
Database	O
Storage	O
Engine	O
for	O
LimeSurvey	B-Language
2.0	O
,	O
and	O
implemented	O
the	O
much	O
demanded	O
“	O
File	O
upload	O
question	O
”	O
type	O
.	O
</s>
<s>
In	O
November	O
,	O
LimeSurvey	B-Language
also	O
participated	O
in	O
the	B-Application
Google	I-Application
Code-in	O
,	O
a	O
similar	O
program	O
rewarding	O
high	O
school	O
students	O
to	O
contribute	O
to	O
open	B-License
source	I-License
projects	O
.	O
</s>
<s>
Tasks	O
ranged	O
from	O
improving	O
LimeSurvey	B-Language
’s	O
Wikipedia	O
pages	O
to	O
enhancing	O
the	O
user	O
interface	O
.	O
</s>
<s>
LimeSurvey	B-Language
also	O
participated	O
in	O
the	O
2011	O
Google	B-Application
Summer	I-Application
of	I-Application
Code	I-Application
.	O
</s>
<s>
As	O
of	O
2010	O
,	O
LimeSurvey	B-Language
had	O
2,944	O
weekly	O
downloads	O
on	O
SourceForge	B-Application
,	O
and	O
an	O
Alexa	O
traffic	O
rank	O
of	O
32,633	O
.	O
</s>
<s>
In	O
2012	O
the	O
LimeSurvey	B-Language
development	O
team	O
released	O
LimeSurvey	B-Language
2.0	O
.	O
</s>
<s>
The	O
code	O
base	O
for	O
LimeSurvey	B-Language
2.0	O
was	O
completely	O
re-written	O
from	O
scratch	O
using	O
a	O
MVC	O
(	O
Model	O
–	O
view	O
–	O
controller	O
)	O
approach	O
and	O
the	O
Yii	B-Language
PHP	B-Application
framework	O
.	O
</s>
<s>
Besides	O
the	O
structural	O
code	O
changes	O
aimed	O
at	O
better	O
modularity	O
the	O
new	O
version	O
also	O
has	O
a	O
new	O
GUI	B-Application
with	O
a	O
completely	O
new	O
design	O
using	O
AJAX	B-Device
technology	O
.	O
</s>
<s>
In	O
August	O
2015	O
the	O
LimeSurvey	B-Language
GmbH	O
was	O
founded	O
,	O
a	O
limited	O
liability	O
corporation	O
,	O
with	O
the	O
goal	O
to	O
better	O
coordinate	O
further	O
development	O
and	O
provide	O
services	O
around	O
LimeSurvey	B-Language
.	O
</s>
<s>
In	O
2016	O
Version	O
2.50	O
was	O
released	O
by	O
LimeSurvey	B-Language
GmbH	O
which	O
has	O
a	O
completely	O
revamped	O
administration	O
user	O
interface	O
and	O
fully	O
responsive	O
survey	O
design	O
templates	O
.	O
</s>
<s>
Beside	O
changes	O
in	O
the	O
administration	O
interface	O
for	O
better	O
usability	O
the	O
outdated	O
design	O
template	B-Application
system	O
was	O
converted	O
to	O
use	O
the	O
Twig	O
template	B-Application
engine	I-Application
for	O
templates	O
.	O
</s>
<s>
LimeSurvey	B-Language
is	O
a	O
web	B-Application
application	I-Application
that	O
is	O
installed	O
to	O
the	O
user	O
’s	O
server	B-Application
.	O
</s>
<s>
After	O
installation	O
users	O
can	O
manage	O
LimeSurvey	B-Language
from	O
a	O
web-interface	O
.	O
</s>
<s>
The	O
layout	O
and	O
design	O
of	O
the	O
survey	O
can	O
be	O
modified	O
under	O
a	O
template	B-Application
system	O
.	O
</s>
<s>
Templates	O
can	O
be	O
changed	O
in	O
a	O
WYSIWYG	B-Application
HTML	B-Language
editor	O
.	O
</s>
<s>
Additionally	O
,	O
templates	O
can	O
be	O
imported	O
and	O
exported	O
through	O
the	O
template	B-Application
editor	O
.	O
</s>
<s>
LimeSurvey	B-Language
has	O
no	O
limit	O
on	O
the	O
number	O
of	O
surveys	O
a	O
user	O
can	O
create	O
,	O
nor	O
is	O
there	O
a	O
limit	O
on	O
how	O
many	O
participants	O
can	O
respond	O
.	O
</s>
<s>
Questions	O
can	O
be	O
arranged	O
in	O
a	O
two-dimensional	O
array	B-Architecture
,	O
with	O
options	O
along	O
one	O
axis	O
based	O
on	O
the	O
questions	O
on	O
the	O
other	O
axis	O
.	O
</s>
<s>
LimeSurvey	B-Language
also	O
provides	O
basic	O
statistical	O
and	O
graphical	O
analysis	O
of	O
survey	O
results	O
.	O
</s>
<s>
Additionally	O
,	O
participants	O
can	O
be	O
anonymous	O
,	O
or	O
LimeSurvey	B-Language
can	O
track	O
the	O
IP	B-Protocol
addresses	I-Protocol
of	O
the	O
participants	O
.	O
</s>
<s>
A	O
much	O
more	O
detailed	O
listing	O
of	O
features	O
can	O
be	O
found	O
on	O
the	O
LimeSurvey	B-Language
web	O
page	O
.	O
</s>
<s>
Some	O
web	O
hosting	O
services	O
offer	O
LimeSurvey	B-Language
hosting	O
,	O
either	O
as	O
a	O
custom	O
installation	O
or	O
through	O
a	O
control	B-Protocol
panel	I-Protocol
,	O
such	O
as	O
cPanel	B-Protocol
with	O
Fantastico	O
,	O
Plesk	B-Language
,	O
Softaculous	O
,	O
or	O
Virtualmin	B-Device
Professional	O
.	O
</s>
<s>
LimeSurvey	B-Language
has	O
also	O
been	O
ported	O
by	O
third	O
parties	O
to	O
various	O
content	B-Protocol
management	I-Protocol
systems	I-Protocol
,	O
such	O
as	O
PostNuke	O
,	O
and	O
XOOPS	B-Operating_System
.	O
</s>
<s>
A	O
port	O
to	O
Joomla	B-Protocol
exists	O
,	O
but	O
it	O
is	O
not	O
compatible	O
with	O
version	O
1.5	O
of	O
Joomla	B-Protocol
.	O
</s>
<s>
The	O
governing	O
organization	O
LimeSurvey	B-Language
GmbH	O
,	O
co-founded	O
by	O
the	O
long-term	O
project	O
leader	O
Carsten	O
Schmitz	O
,	O
also	O
offers	O
the	O
LimeSurvey	B-Language
Professional	O
hosting	O
service	O
.	O
</s>
<s>
This	O
service	O
is	O
similar	O
to	O
web	B-Application
applications	I-Application
such	O
as	O
SurveyMonkey	O
;	O
the	O
main	O
difference	O
being	O
that	O
LimeSurvey	B-Language
Professional	O
fees	O
are	O
based	O
only	O
on	O
the	O
number	O
of	O
people	O
that	O
respond	O
to	O
the	O
survey	O
within	O
a	O
certain	O
time	O
frame	O
and	O
not	O
on	O
limitation	O
of	O
features	O
,	O
like	O
other	O
similar	O
services	O
.	O
</s>
<s>
The	O
LimeSurvey	B-Language
Professional	O
hosting	O
offers	O
up	O
to	O
25	O
free	O
responses	O
per	O
month	O
,	O
after	O
which	O
responses	O
can	O
be	O
purchased	O
in	O
one	O
of	O
several	O
subscriptions	O
.	O
</s>
<s>
LimeSurvey	B-Language
in	O
general	O
uses	O
the	O
UTF-8	O
character	B-General_Concept
set	I-General_Concept
to	O
be	O
able	O
to	O
display	O
all	O
languages	O
.	O
</s>
<s>
Both	O
the	O
frontend	B-Architecture
and	I-Architecture
backend	I-Architecture
of	O
LimeSurvey	B-Language
are	O
available	O
in	O
82	O
languages	O
and	O
dialects	O
;	O
12	O
of	O
these	O
have	O
at	O
least	O
95%	O
of	O
the	O
translations	O
done	O
(	O
Catalan	O
,	O
Dutch	O
,	O
French	O
,	O
Galician	O
,	O
German	O
,	O
Greek	O
,	O
Italian	O
,	O
Japanese	O
,	O
Norwegian	O
,	O
Polish	O
,	O
Russian	O
,	O
Spanish	O
,	O
Turkish	O
,	O
)	O
.	O
</s>
<s>
LimeSurvey	B-Language
allows	O
users	O
to	O
create	O
and	O
host	O
surveys	O
,	O
for	O
general	O
data	O
gathering	O
purposes	O
.	O
</s>
<s>
LimeSurvey	B-Language
is	O
used	O
by	O
the	O
Austrian	O
Vorarlberg	O
State	O
Government	O
,	O
Ars	O
Electronica	O
,	O
and	O
several	O
open	B-License
source	I-License
organizations	O
such	O
as	O
OpenOffice.org,	O
Ubuntu	B-Operating_System
,	O
and	O
GNOME	B-Application
.	O
</s>
<s>
LimeSurvey	B-Language
is	O
also	O
used	O
by	O
educational	O
institutions	O
in	O
19	O
countries	O
.	O
</s>
<s>
In	O
December	O
2007	O
,	O
LimeSurvey	B-Language
won	O
the	O
first	O
place	O
Les	O
Trophées	O
du	O
Libre	O
award	O
in	O
the	O
category	O
Enterprise	O
Management	O
.	O
</s>
<s>
The	O
Les	O
Trophées	O
du	O
libre	O
contest	O
recognizes	O
innovative	O
and	O
promising	O
Open	B-License
Source	I-License
projects	O
.	O
</s>
<s>
In	O
2008	O
LimeSurvey	B-Language
was	O
nominated	O
in	O
the	O
category	O
Best	O
Project	O
for	O
the	O
Enterprise	O
in	O
the	O
SourceForge.net	B-Application
Community	O
Choice	O
Awards	O
2008	O
.	O
</s>
