<s>
OpenLaszlo	B-Application
is	O
a	O
discontinued	O
open-source	B-Application
platform	I-Application
for	O
the	O
development	O
and	O
delivery	O
of	O
rich	B-Application
web	I-Application
applications	I-Application
.	O
</s>
<s>
The	O
OpenLaszlo	B-Application
platform	O
consists	O
of	O
the	O
LZX	O
programming	O
language	O
and	O
the	O
OpenLaszlo	B-Application
Server	O
.	O
</s>
<s>
LZX	O
is	O
an	O
Extensible	B-Protocol
Markup	I-Protocol
Language	I-Protocol
(	O
XML	B-Protocol
)	O
and	O
JavaScript	B-Language
description	B-General_Concept
language	I-General_Concept
similar	O
in	O
spirit	O
to	O
XUL	B-Application
,	O
MXML	B-Operating_System
,	O
and	O
Extensible	B-Device
Application	I-Device
Markup	I-Device
Language	I-Device
(	O
XAML	B-Device
)	O
.	O
</s>
<s>
It	O
is	O
designed	O
to	O
be	O
familiar	O
to	O
traditional	O
web	O
application	O
developers	O
who	O
are	O
familiar	O
with	O
HTML	B-Language
and	O
JavaScript	B-Language
.	O
</s>
<s>
OpenLaszlo	B-Application
Server	O
is	O
a	O
Java	B-Application
servlet	I-Application
that	O
compiles	O
LZX	O
applications	O
into	O
executable	O
binaries	O
for	O
targeted	O
run-time	O
environments	O
.	O
</s>
<s>
Laszlo	O
applications	O
can	O
be	O
deployed	O
as	O
traditional	O
Java	B-Application
servlets	I-Application
,	O
which	O
are	O
compiled	O
and	O
returned	O
to	O
the	O
browser	O
dynamically	O
.	O
</s>
<s>
This	O
method	O
requires	O
that	O
the	O
web	O
server	O
is	O
also	O
running	O
the	O
OpenLaszlo	B-Application
server	O
.	O
</s>
<s>
Alternatively	O
,	O
Laszlo	O
applications	O
can	O
be	O
compiled	O
from	O
LZX	O
into	O
Dynamic	B-General_Concept
HTML	I-General_Concept
(	O
DHTML	B-General_Concept
)	O
or	O
a	O
binary	O
SWF	O
file	O
,	O
and	O
loaded	O
statically	O
into	O
an	O
existing	O
web	O
page	O
.	O
</s>
<s>
Applications	O
deployed	O
in	O
this	O
manner	O
lack	O
some	O
functionality	O
of	O
servlet-contained	O
files	O
,	O
such	O
as	O
the	O
ability	O
to	O
consume	O
SOAP	B-Application
web	O
services	O
and	O
Java	B-Language
RPC	O
remote	O
procedure	O
calls	O
.	O
</s>
<s>
OpenLaszlo	B-Application
is	O
released	O
under	O
the	O
Common	O
Public	O
License	O
by	O
Laszlo	B-Application
Systems	I-Application
.	O
</s>
<s>
Laszlo-powered	O
rich	B-Application
web	I-Application
applications	I-Application
have	O
been	O
deployed	O
by	O
Earthlink	O
,	O
Verizon	B-Application
,	O
Walmart	O
,	O
IBM	B-Language
WebSphere	I-Language
,	O
Yahoo	O
!,	O
Behr	O
,	O
Pandora	B-Application
,	O
La	O
Quinta	O
Hotels	O
,	O
DeanForAmerica.com	O
and	O
Time.gov	O
.	O
</s>
<s>
Laszlo	B-Application
Systems	I-Application
,	O
makers	O
of	O
OpenLaszlo	B-Application
,	O
is	O
developing	O
their	O
own	O
software	O
based	O
on	O
the	O
Laszlo	O
Presentation	O
Server	O
.	O
</s>
<s>
One	O
is	O
a	O
mail	O
client	O
(	O
Laszlo	O
Mail	O
)	O
which	O
is	O
similar	O
to	O
Microsoft	B-Application
Outlook	I-Application
or	O
Mozilla	B-Application
Thunderbird	I-Application
,	O
but	O
which	O
operates	O
within	O
the	O
web	O
browser	O
.	O
</s>
<s>
OpenLaszlo	B-Application
was	O
originally	O
called	O
the	O
Laszlo	O
Presentation	O
Server	O
(	O
LPS	O
)	O
.	O
</s>
<s>
In	O
October	O
2004	O
,	O
Laszlo	B-Application
Systems	I-Application
released	O
the	O
full	O
source	O
code	O
to	O
the	O
Laszlo	O
Presentation	O
Server	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
(	O
GPL	B-License
)	O
,	O
and	O
initiated	O
the	O
OpenLaszlo	B-Application
project	O
.	O
</s>
<s>
In	O
2005	O
,	O
coincident	O
with	O
the	O
release	O
of	O
version	O
3.0	O
,	O
the	O
name	O
of	O
the	O
Laszlo	O
Presentation	O
Server	O
was	O
changed	O
to	O
OpenLaszlo	B-Application
.	O
</s>
<s>
2012	O
February	O
:	O
OpenLaszlo	B-Application
is	O
acquired	O
by	O
Critical	O
Path	O
,	O
Inc	O
.	O
</s>
<s>
The	O
project	O
was	O
named	O
after	O
the	O
cat	O
of	O
Peter	O
Andrea	O
,	O
a	O
graphic	O
designer	O
and	O
co-founder	O
of	O
Laszlo	B-Application
Systems	I-Application
.	O
</s>
