<s>
Lift	O
is	O
a	O
free	B-License
and	I-License
open-source	I-License
web	B-Application
framework	I-Application
that	O
is	O
designed	O
for	O
the	O
Scala	B-Application
programming	I-Application
language	I-Application
.	O
</s>
<s>
It	O
was	O
originally	O
created	O
by	O
who	O
was	O
dissatisfied	O
with	O
certain	O
aspects	O
of	O
the	O
Ruby	B-Application
on	I-Application
Rails	I-Application
framework	O
.	O
</s>
<s>
Lift	O
was	O
launched	O
as	O
an	O
open	B-Application
source	I-Application
project	O
on	O
26	O
February	O
2007	O
under	O
the	O
Apache	B-Application
License	I-Application
2.0	I-Application
.	O
</s>
<s>
A	O
commercially	O
popular	O
web	O
platform	O
often	O
cited	O
as	O
being	O
developed	O
using	O
Lift	O
is	O
Foursquare	B-Application
.	O
</s>
<s>
It	O
draws	O
upon	O
concepts	O
from	O
peer	O
frameworks	O
such	O
as	O
Grails	B-Language
,	O
Ruby	B-Application
on	I-Application
Rails	I-Application
,	O
Seaside	B-Application
,	O
Wicket	B-Language
and	O
Django	B-Language
.	O
</s>
<s>
It	O
favors	O
convention	B-Application
over	I-Application
configuration	I-Application
in	O
the	O
style	O
of	O
Ruby	B-Application
on	I-Application
Rails	I-Application
,	O
although	O
it	O
does	O
not	O
prescribe	O
the	O
model	O
–	O
view	O
–	O
controller	O
(	O
MVC	O
)	O
architectural	O
pattern	O
.	O
</s>
<s>
Rather	O
,	O
Lift	O
is	O
chiefly	O
modeled	O
upon	O
the	O
so-called	O
"	O
View	O
First	O
"	O
(	O
designer	O
friendly	O
)	O
approach	O
to	O
web	O
page	O
development	O
inspired	O
by	O
the	O
Wicket	B-Language
framework	I-Language
.	O
</s>
<s>
Lift	O
is	O
also	O
designed	O
to	O
be	O
a	O
high-performance	O
,	O
scalable	O
web	B-Application
framework	I-Application
by	O
leveraging	O
Scala	B-Application
actors	O
to	O
support	O
more	O
concurrent	O
requests	O
than	O
is	O
possible	O
with	O
a	O
thread-per-request	O
server	O
.	O
</s>
<s>
As	O
Scala	B-Application
program	O
code	O
executes	O
within	O
the	O
Java	B-Language
virtual	I-Language
machine	I-Language
(	O
JVM	B-Language
)	O
,	O
any	O
existing	O
Java	B-Language
library	O
and	O
web	B-Language
container	I-Language
can	O
be	O
used	O
in	O
running	O
Lift	O
applications	O
.	O
</s>
<s>
Lift	O
web	O
applications	O
are	O
thus	O
packaged	O
as	O
WAR	B-Language
files	O
and	O
deployed	O
on	O
any	O
servlet	B-Application
2.4	O
engine	O
(	O
for	O
example	O
,	O
Tomcat	B-Language
5.5.xx	O
,	O
Jetty	B-Language
6.0	O
,	O
etc	O
.	O
)	O
.	O
</s>
<s>
Lift	O
programmers	O
may	O
use	O
the	O
standard	O
Scala/Java	O
development	O
toolchain	O
including	O
IDEs	B-Application
such	O
as	O
Eclipse	B-Application
,	O
NetBeans	B-Application
and	O
IDEA	B-Language
.	O
</s>
<s>
Dynamic	O
web	O
content	O
is	O
authored	O
via	O
templates	O
using	O
standard	O
HTML5	B-Application
or	O
XHTML	B-Language
editors	O
.	O
</s>
<s>
Lift	O
applications	O
also	O
benefit	O
from	O
native	O
support	O
for	O
advanced	O
web	O
development	O
techniques	O
such	O
as	O
Comet	B-General_Concept
and	O
Ajax	B-General_Concept
.	O
</s>
<s>
David	O
Pollak	O
,	O
the	O
original	O
creator	O
of	O
Lift	O
,	O
discussed	O
the	O
release	O
of	O
Lift	O
2.0	O
on	O
the	O
popular	O
FLOSS	B-License
weekly	O
podcast	O
.	O
</s>
