<s>
The	O
Standard	B-Application
Widget	I-Application
Toolkit	I-Application
(	O
SWT	O
)	O
is	O
a	O
graphical	B-Library
widget	I-Library
toolkit	I-Library
for	O
use	O
with	O
the	O
Java	B-Device
platform	I-Device
.	O
</s>
<s>
It	O
was	O
originally	O
developed	O
by	O
Stephen	O
Northover	O
at	O
IBM	O
and	O
is	O
now	O
maintained	O
by	O
the	B-Application
Eclipse	I-Application
Foundation	I-Application
in	O
tandem	O
with	O
the	O
Eclipse	B-Application
IDE	I-Application
.	O
</s>
<s>
It	O
is	O
an	O
alternative	O
to	O
the	O
Abstract	B-Language
Window	I-Language
Toolkit	I-Language
(	O
AWT	O
)	O
and	O
Swing	B-Language
Java	I-Language
graphical	B-Application
user	I-Application
interface	I-Application
(	O
GUI	B-Application
)	O
toolkits	O
provided	O
by	O
Sun	O
Microsystems	O
as	O
part	O
of	O
the	O
Java	B-Language
Platform	I-Language
,	I-Language
Standard	I-Language
Edition	I-Language
(	O
J2SE	B-Language
)	O
.	O
</s>
<s>
To	O
display	O
GUI	B-Application
elements	O
,	O
the	O
SWT	O
implementation	O
accesses	O
the	O
native	O
GUI	B-Application
libraries	O
of	O
the	O
operating	B-General_Concept
system	I-General_Concept
using	O
Java	B-Language
Native	I-Language
Interface	I-Language
(	O
JNI	B-Language
)	O
in	O
a	O
manner	O
that	O
is	O
similar	O
to	O
those	O
programs	O
written	O
using	O
operating	O
system-specific	O
application	B-Application
programming	I-Application
interfaces	I-Application
(	O
APIs	B-Application
)	O
.	O
</s>
<s>
Programs	O
that	O
call	O
SWT	O
are	O
portable	O
,	O
but	O
the	O
implementation	O
of	O
the	O
toolkit	O
,	O
despite	O
part	O
of	O
it	O
being	O
written	O
in	O
Java	B-Language
,	O
is	O
unique	O
for	O
each	O
platform	O
.	O
</s>
<s>
The	O
toolkit	O
is	O
free	B-License
and	I-License
open-source	I-License
software	I-License
distributed	O
under	O
the	O
Eclipse	B-License
Public	I-License
License	I-License
,	O
which	O
is	O
approved	O
by	O
the	O
Open	O
Source	O
Initiative	O
.	O
</s>
<s>
The	O
first	O
Java	B-Language
GUI	B-Library
toolkit	I-Library
was	O
the	O
Abstract	B-Language
Window	I-Language
Toolkit	I-Language
(	O
AWT	O
)	O
,	O
introduced	O
with	O
Java	B-Language
Development	I-Language
Kit	I-Language
(	O
JDK	B-Language
)	O
1.0	O
as	O
one	O
component	O
of	O
Sun	O
Microsystems	O
 '	O
Java	B-Device
platform	I-Device
.	O
</s>
<s>
The	O
original	O
AWT	O
was	O
a	O
simple	O
Java	B-Language
wrapper	B-Library
library	I-Library
around	O
native	O
(	O
operating	O
system-supplied	O
)	O
widgets	O
such	O
as	O
menus	O
,	O
windows	B-Operating_System
,	O
and	O
buttons	O
.	O
</s>
<s>
Swing	B-Language
was	O
the	O
next	O
generation	O
GUI	B-Library
toolkit	I-Library
introduced	O
by	O
Sun	O
in	O
Java	B-Language
Platform	I-Language
,	I-Language
Standard	I-Language
Edition	I-Language
(	O
J2SE	B-Language
)	O
1.2	O
.	O
</s>
<s>
Swing	B-Language
was	O
developed	O
to	O
provide	O
a	O
richer	O
set	O
of	O
GUI	B-Library
software	I-Library
components	O
than	O
AWT	O
.	O
</s>
<s>
Swing	B-Language
GUI	B-Application
elements	O
are	O
all-Java	O
with	O
no	O
native	O
code	O
:	O
instead	O
of	O
wrapping	O
native	O
GUI	B-Application
components	O
,	O
Swing	B-Language
draws	O
its	O
own	O
components	O
by	O
using	O
Java	B-Language
2D	I-Language
to	O
call	O
low-level	O
operating	B-General_Concept
system	I-General_Concept
drawing	O
routines	O
.	O
</s>
<s>
The	O
roots	O
of	O
SWT	O
go	O
back	O
to	O
work	O
that	O
Object	O
Technology	O
International	O
(	O
OTI	O
)	O
,	O
did	O
in	O
the	O
1990s	O
when	O
creating	O
multiplatform	B-Operating_System
,	O
portable	O
,	O
native	O
widget	O
interfaces	O
for	O
Smalltalk	B-Application
,	O
originally	O
for	O
OTI	O
Smalltalk	B-Application
,	O
which	O
became	O
IBM	O
Smalltalk	B-Application
in	O
1993	O
.	O
</s>
<s>
IBM	O
Smalltalk	B-Application
's	O
Common	O
Widget	O
layer	O
provided	O
fast	O
,	O
native	O
access	O
to	O
multiple	O
platform	O
widget	B-Library
sets	I-Library
while	O
still	O
providing	O
a	O
common	O
API	B-Application
without	O
suffering	O
the	O
lowest	O
common	O
denominator	O
problem	O
typical	O
of	O
other	O
portable	O
graphical	B-Application
user	I-Application
interface	I-Application
(	O
GUI	B-Application
)	O
toolkits	O
.	O
</s>
<s>
IBM	O
was	O
developing	O
VisualAge	B-Language
,	O
an	O
integrated	B-Application
development	I-Application
environment	I-Application
(	O
IDE	O
)	O
written	O
in	O
Smalltalk	B-Application
.	O
</s>
<s>
They	O
decided	O
to	O
open-source	O
the	O
project	O
,	O
which	O
led	O
to	O
the	O
development	O
of	O
Eclipse	B-Application
,	O
intended	O
to	O
compete	O
against	O
other	O
IDEs	O
such	O
as	O
Microsoft	B-Application
Visual	I-Application
Studio	I-Application
.	O
</s>
<s>
Eclipse	B-Application
is	O
written	O
in	O
Java	B-Language
,	O
and	O
IBM	O
developers	O
,	O
deciding	O
that	O
they	O
needed	O
a	O
toolkit	O
that	O
had	O
"	O
native	O
look	B-Application
and	I-Application
feel	I-Application
"	O
and	O
"	O
native	O
performance	O
"	O
,	O
created	O
SWT	O
as	O
a	O
Swing	B-Language
replacement	O
.	O
</s>
<s>
SWT	O
is	O
a	O
wrapper	O
around	O
native	O
code	O
objects	O
,	O
such	O
as	O
GTK	B-Application
objects	O
,	O
Motif	B-Application
objects	O
etc	O
.	O
</s>
<s>
Because	O
of	O
this	O
,	O
SWT	O
widgets	O
are	O
often	O
referred	O
to	O
as	O
"	O
heavyweight	O
"	O
,	O
evoking	O
images	O
of	O
a	O
light	O
Java	B-Language
wrapper	O
around	O
a	O
"	O
heavy	O
"	O
native	O
object	O
.	O
</s>
<s>
In	O
cases	O
where	O
native	O
platform	O
GUI	B-Application
libraries	O
do	O
not	O
support	O
the	O
functionality	O
required	O
for	O
SWT	O
,	O
SWT	O
implements	O
its	O
own	O
GUI	B-Application
code	O
in	O
Java	B-Language
,	O
similar	O
to	O
Swing	B-Language
.	O
</s>
<s>
In	O
essence	O
,	O
SWT	O
is	O
a	O
compromise	O
between	O
the	O
low	O
level	O
performance	O
and	O
look	B-Application
and	I-Application
feel	I-Application
of	O
AWT	O
and	O
the	O
high	O
level	O
ease	O
of	O
use	O
of	O
Swing	B-Language
.	O
</s>
<s>
According	O
to	O
the	B-Application
Eclipse	I-Application
Foundation	I-Application
,	O
"	O
SWT	O
and	O
Swing	B-Language
are	O
different	O
tools	O
that	O
were	O
built	O
with	O
different	O
goals	O
in	O
mind	O
.	O
</s>
<s>
The	O
purpose	O
of	O
SWT	O
is	O
to	O
provide	O
a	O
common	O
API	B-Application
for	O
accessing	O
native	O
widgets	O
across	O
a	O
spectrum	O
of	O
platforms	O
.	O
</s>
<s>
The	O
primary	O
design	O
goals	O
are	O
high	O
performance	O
,	O
native	O
look	B-Application
and	I-Application
feel	I-Application
,	O
and	O
deep	O
platform	O
integration	O
.	O
</s>
<s>
Swing	B-Language
,	O
on	O
the	O
other	O
hand	O
,	O
is	O
designed	O
to	O
allow	O
for	O
a	O
highly	O
customizable	O
look	B-Application
and	I-Application
feel	I-Application
that	O
is	O
common	O
across	O
all	O
platforms.	O
"	O
</s>
<s>
SWT	O
is	O
a	O
simpler	O
toolkit	O
than	O
Swing	B-Language
,	O
with	O
less	O
(	O
possibly	O
)	O
extraneous	O
functionality	O
for	O
the	O
average	O
developer	O
.	O
</s>
<s>
This	O
has	O
led	O
some	O
people	O
to	O
argue	O
that	O
SWT	O
lacks	O
functionality	O
when	O
compared	O
to	O
Swing	B-Language
.	O
</s>
<s>
James	O
Gosling	O
,	O
the	O
creator	O
of	O
the	O
Java	B-Language
language	I-Language
,	O
has	O
argued	O
that	O
SWT	O
is	O
too	O
simple	O
,	O
and	O
is	O
a	O
difficult	O
toolkit	O
to	O
port	O
to	O
new	O
platforms	O
for	O
the	O
same	O
reason	O
that	O
AWT	O
once	O
had	O
porting	O
problems	O
:	O
that	O
it	O
is	O
too	O
simple	O
,	O
too	O
low	O
level	O
,	O
and	O
too	O
tied	O
to	O
the	O
Win32	B-Library
GUI	B-Application
API	B-Application
,	O
leading	O
to	O
problems	O
adapting	O
the	O
SWT	O
API	B-Application
to	O
other	O
GUI	B-Library
toolkits	I-Library
,	O
such	O
as	O
Motif	B-Application
and	O
OS	O
X	O
Carbon	O
.	O
</s>
<s>
Although	O
SWT	O
does	O
not	O
implement	O
the	O
popular	O
model	O
–	O
view	O
–	O
controller	O
(	O
MVC	O
)	O
architecture	O
used	O
in	O
Swing	B-Language
and	O
many	O
other	O
high	O
level	O
GUI	B-Library
toolkits	I-Library
,	O
the	O
JFace	B-Language
library	O
,	O
which	O
is	O
developed	O
as	O
part	O
of	O
the	O
same	O
Eclipse	B-Application
project	O
,	O
does	O
provide	O
a	O
cross-platform	B-Operating_System
,	O
higher-level	O
MVC	O
abstraction	O
atop	O
SWT	O
.	O
</s>
<s>
Developers	O
may	O
choose	O
to	O
use	O
JFace	B-Language
to	O
provide	O
more	O
flexible	O
and	O
abstract	O
data	O
models	O
for	O
complex	O
SWT	O
controls	O
such	O
as	O
trees	O
,	O
tables	O
,	O
and	O
lists	O
,	O
or	O
access	O
those	O
controls	O
directly	O
as	O
needed	O
.	O
</s>
<s>
SWT	O
widgets	O
have	O
the	O
same	O
look	B-Application
and	I-Application
feel	I-Application
as	O
native	O
widgets	O
because	O
they	O
often	O
are	O
the	O
same	O
native	O
widgets	O
.	O
</s>
<s>
This	O
is	O
in	O
contrast	O
to	O
the	O
Swing	B-Language
toolkit	O
where	O
all	O
widgets	O
are	O
emulations	O
of	O
native	O
widgets	O
.	O
</s>
<s>
For	O
example	O
,	O
the	O
macOS	B-Application
tree	O
widget	O
features	O
a	O
subtle	O
animation	O
when	O
a	O
tree	O
is	O
expanded	O
and	O
default	O
buttons	O
actually	O
have	O
an	O
animated	O
pulsing	O
glow	O
to	O
focus	O
the	O
user	O
's	O
attention	O
on	O
them	O
.	O
</s>
<s>
The	O
default	O
Swing	B-Language
version	O
of	O
these	O
widgets	O
do	O
not	O
animate	O
.	O
</s>
<s>
Since	O
SWT	O
is	O
simply	O
a	O
wrapper	O
around	O
native	O
GUI	B-Application
code	O
,	O
it	O
does	O
not	O
require	O
large	O
numbers	O
of	O
updates	O
when	O
that	O
native	O
code	O
is	O
changed	O
,	O
providing	O
that	O
operating	B-General_Concept
system	I-General_Concept
vendors	O
are	O
careful	O
not	O
to	O
break	O
clients	O
of	O
their	O
API	B-Application
when	O
the	O
operating	B-General_Concept
systems	I-General_Concept
are	O
updated	O
.	O
</s>
<s>
The	O
same	O
cannot	O
be	O
said	O
of	O
Swing	B-Language
,	O
which	O
supports	O
the	O
ability	O
to	O
change	O
the	O
look	B-Application
and	I-Application
feel	I-Application
of	O
the	O
running	O
application	O
with	O
"	O
pluggable	O
looks	O
and	O
feels	O
"	O
.	O
</s>
<s>
These	O
enable	O
emulating	O
the	O
native	O
platform	O
user	O
interface	O
using	O
themes	O
,	O
which	O
must	O
be	O
updated	O
to	O
mirror	O
operating	B-General_Concept
system	I-General_Concept
GUI	B-Application
changes	O
,	O
such	O
as	O
theme	B-Application
or	O
other	O
look	B-Application
and	I-Application
feel	I-Application
updates	O
.	O
</s>
<s>
SWT	O
aims	O
for	O
"	O
deep	O
platform	O
integration	O
"	O
,	O
the	O
Eclipse	B-Application
reference	O
to	O
SWT	O
's	O
use	O
of	O
native	O
widgets	O
.	O
</s>
<s>
This	O
deep	O
integration	O
can	O
be	O
useful	O
in	O
a	O
number	O
of	O
ways	O
,	O
for	O
example	O
enabling	O
SWT	O
to	O
wrap	O
ActiveX	B-Application
objects	I-Application
on	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
Contrary	O
to	O
Swing	B-Language
,	O
a	O
Display	O
class	O
is	O
necessary	O
to	O
access	O
the	O
underlying	O
operating	B-General_Concept
system	I-General_Concept
,	O
and	O
its	O
resources	O
must	O
be	O
explicitly	O
disposed	O
of	O
when	O
they	O
are	O
no	O
longer	O
used	O
.	O
</s>
<s>
SWT	O
must	O
be	O
ported	O
to	O
every	O
new	O
GUI	B-Application
library	O
that	O
needs	O
supporting	O
.	O
</s>
<s>
Unlike	O
Swing	B-Language
and	O
AWT	O
,	O
SWT	O
is	O
not	O
available	O
on	O
every	O
Java-supported	O
platform	O
since	O
SWT	O
is	O
not	O
part	O
of	O
the	O
Java	B-Language
release	O
.	O
</s>
<s>
There	O
is	O
also	O
some	O
evidence	O
that	O
the	O
performance	O
of	O
SWT	O
on	O
platforms	O
other	O
than	O
Windows	B-Operating_System
is	O
noticeably	O
less	O
efficient	O
.	O
</s>
<s>
SWT	O
exposes	O
programs	O
to	O
more	O
low	O
level	O
details	O
than	O
Swing	B-Language
.	O
</s>
<s>
This	O
is	O
because	O
SWT	O
is	O
technically	O
just	O
a	O
layer	O
over	O
native	O
library	O
provided	O
GUI	B-Application
functionality	O
,	O
exposing	O
the	O
programmer	O
to	O
native	O
GUI	B-Application
code	O
is	O
part	O
of	O
the	O
design	O
intent	O
of	O
SWT	O
:	O
"	O
Its	O
goal	O
is	O
not	O
to	O
provide	O
a	O
rich	O
user-interface	O
design	O
framework	O
but	O
rather	O
the	O
thinnest	O
possible	O
user-interface	O
API	B-Application
that	O
can	O
be	O
implemented	O
uniformly	O
on	O
the	O
largest	O
possible	O
set	O
of	O
platforms	O
while	O
still	O
providing	O
sufficient	O
functionality	O
to	O
build	O
rich	O
graphical	B-Application
user	I-Application
interface	I-Application
(	O
GUI	B-Application
)	O
applications.	O
"	O
</s>
<s>
,	O
SWT	O
supports	O
these	O
platforms	O
and/or	O
GUI	B-Application
libraries	O
:	O
</s>
<s>
Windows	B-Operating_System
:	O
</s>
<s>
Unix-like	B-Operating_System
:	O
Linux	B-Application
,	O
FreeBSD	B-Operating_System
:	O
</s>
<s>
macOS	B-Application
:	O
</s>
<s>
,	O
SWT	O
4.7.3a	O
(	O
and	O
4.8M6	O
)	O
is	O
officially	O
compatible	O
with	O
the	O
following	O
operating	B-General_Concept
systems	I-General_Concept
(	O
graphic	O
library	O
or	O
similar	O
if	O
explicitly	O
required	O
/	O
processors	O
)	O
:	O
</s>
<s>
Windows	B-Application
XP	I-Application
has	O
historically	O
been	O
supported	O
as	O
has	O
s390	B-Device
,	O
Solaris	B-Application
11	I-Application
(	O
SPARCv9	O
)	O
,	O
Solaris	B-Application
10	I-Application
(	O
x86_64	O
)	O
,	O
HP-UX	B-Application
(	O
ia64	O
)	O
,	O
AIX	B-Application
(	O
PPC	O
and	O
PPC64	O
)	O
.	O
</s>
<s>
SWT	O
was	O
designed	O
to	O
be	O
a	O
high	O
performance	O
GUI	B-Library
toolkit	I-Library
;	O
faster	O
,	O
more	O
responsive	O
and	O
lighter	O
on	O
system	O
resource	O
usage	O
than	O
Swing	B-Language
.	O
</s>
<s>
There	O
has	O
been	O
some	O
attempted	O
benchmarking	O
of	O
SWT	O
and	O
Swing	B-Language
,	O
which	O
concluded	O
that	O
SWT	O
should	O
be	O
more	O
efficient	O
than	O
Swing	B-Language
,	O
although	O
the	O
applications	O
benchmarked	O
in	O
this	O
case	O
were	O
not	O
complex	O
enough	O
to	O
draw	O
solid	O
conclusions	O
for	O
all	O
possible	O
SWT	O
or	O
Swing	B-Language
uses	O
.	O
</s>
<s>
A	O
fairly	O
thorough	O
set	O
of	O
benchmarks	O
concluded	O
that	O
neither	O
Swing	B-Language
nor	O
SWT	O
clearly	O
outperformed	O
the	O
other	O
in	O
the	O
general	O
case	O
.	O
</s>
<s>
This	O
can	O
make	O
customizing	O
existing	O
widgets	O
more	O
difficult	O
to	O
achieve	O
with	O
SWT	O
than	O
if	O
one	O
were	O
using	O
Swing	B-Language
.	O
</s>
<s>
Both	O
toolkits	O
support	O
writing	O
new	O
widgets	O
using	O
only	O
Java	B-Language
code	I-Language
,	O
however	O
in	O
SWT	O
extra	O
work	O
is	O
needed	O
to	O
make	O
the	O
new	O
widget	O
work	O
on	O
every	O
platform	O
.	O
</s>
<s>
SWT	O
widgets	O
,	O
unlike	O
almost	O
any	O
other	O
Java	B-Language
toolkit	O
,	O
requires	O
manual	O
object	O
deallocation	O
,	O
in	O
contrast	O
to	O
the	O
standard	O
Java	B-Language
practice	O
of	O
automatic	B-General_Concept
garbage	I-General_Concept
collection	I-General_Concept
.	O
</s>
<s>
SWT	O
objects	O
must	O
be	O
explicitly	O
deallocated	O
using	O
the	O
dispose	O
method	O
,	O
which	O
is	O
analogous	O
to	O
the	O
C	B-Language
language	I-Language
's	O
free	O
.	O
</s>
<s>
If	O
this	O
is	O
not	O
done	O
,	O
memory	B-Error_Name
leaks	I-Error_Name
or	O
other	O
unintended	O
behavior	O
may	O
result	O
.	O
</s>
<s>
On	O
this	O
matter	O
,	O
some	O
have	O
commented	O
that	O
"	O
explicitly	O
de-allocating	O
the	O
resources	O
could	O
be	O
a	O
step	O
back	O
in	O
development	O
time	O
(	O
and	O
costs	O
)	O
at	O
least	O
for	O
the	O
average	O
Java	B-Language
developer	O
"	O
and	O
that	O
"	O
this	O
is	O
a	O
mixed	O
blessing	O
.	O
</s>
<s>
It	O
means	O
more	O
control	O
(	O
and	O
more	O
complexity	O
)	O
for	O
the	O
SWT	O
developer	O
instead	O
of	O
more	O
automation	O
(	O
and	O
slowness	O
)	O
when	O
using	O
Swing.	O
"	O
</s>
<s>
These	O
objects	O
are	O
not	O
tracked	O
by	O
the	O
Java	B-Language
JVM	O
,	O
so	O
it	O
cannot	O
track	O
whether	O
or	O
not	O
such	O
objects	O
are	O
in	O
use	O
,	O
and	O
thus	O
cannot	O
garbage	O
collect	O
them	O
at	O
a	O
suitable	O
time	O
.	O
</s>
<s>
There	O
is	O
some	O
development	O
activity	O
to	O
enable	O
combining	O
Swing	B-Language
and	O
SWT	O
.	O
</s>
<s>
SwingWT	O
is	O
a	O
project	O
to	O
provide	O
an	O
alternative	O
Swing	B-Language
implementation	O
.	O
</s>
<s>
It	O
uses	O
an	O
SWT	O
back	O
end	O
to	O
display	O
its	O
widgets	O
,	O
thus	O
providing	O
the	O
native	O
look	B-Application
and	I-Application
feel	I-Application
and	O
performance	O
advantages	O
of	O
SWT	O
along	O
with	O
the	O
same	O
programming	O
model	O
as	O
Swing	B-Language
.	O
</s>
<s>
SWTSwing	O
is	O
a	O
project	O
to	O
provide	O
a	O
Swing	B-Language
back	O
end	O
for	O
SWT	O
.	O
</s>
<s>
In	O
effect	O
,	O
SWT	O
could	O
be	O
run	O
using	O
Swing	B-Language
native	O
objects	O
instead	O
of	O
,	O
for	O
example	O
,	O
GTK	B-Application
or	O
Windows	B-Operating_System
native	O
objects	O
.	O
</s>
<s>
This	O
would	O
enable	O
SWT	O
to	O
work	O
on	O
every	O
platform	O
that	O
Swing	B-Language
supports	O
.	O
</s>
<s>
Starting	O
in	O
2006	O
,	O
there	O
was	O
a	O
SWT-3.2	O
port	O
to	O
the	O
programming	O
language	O
D	B-Application
called	O
DWT	O
.	O
</s>
<s>
Since	O
then	O
,	O
the	O
project	O
supports	O
Windows	B-Operating_System
32-bit	O
,	O
and	O
Linux	B-Application
GTK	B-Application
32-bit	O
for	O
SWT-3.4	O
.	O
</s>
<s>
The	O
DWT	O
project	O
also	O
has	O
an	O
addon	O
package	O
that	O
contains	O
a	O
port	O
of	O
JFace	B-Language
and	O
Eclipse	B-Application
Forms	O
.	O
</s>
<s>
With	O
JavaFX	B-Application
becoming	O
part	O
of	O
the	O
Java	B-Language
SE	I-Language
platform	I-Language
there	O
has	O
been	O
interest	O
in	O
developing	O
a	O
backend	O
for	O
SWT	O
that	O
relies	O
on	O
JavaFX	B-Application
in	O
a	O
similar	O
way	O
to	O
SWTSwing	O
relies	O
on	O
Swing	B-Language
.	O
</s>
<s>
A	O
prominent	O
project	O
trying	O
to	O
achieve	O
that	O
was	O
SWT	O
on	O
JavaFX	B-Application
that	O
became	O
part	O
of	O
e(fx )	O
clipse	O
in	O
2014	O
.	O
</s>
<s>
IBM	O
Rational	O
Software	O
products	O
:	O
Rational	O
Application	O
Developer	O
,	O
Rational	B-Language
Software	I-Language
Architect	I-Language
,	O
Rational	O
Team	O
Concert	O
and	O
others	O
.	O
</s>
<s>
Recent	O
open	O
source	O
efforts	O
in	O
the	O
eclipse	B-Application
community	O
have	O
led	O
to	O
a	O
porting	O
of	O
SWT	O
(	O
and	O
JFace	B-Language
)	O
into	O
a	O
widget	B-Library
toolkit	I-Library
appropriate	O
for	O
the	O
web	O
.	O
</s>
<s>
The	O
result	O
has	O
been	O
the	O
Eclipse	B-Application
Remote	B-Language
Application	I-Language
Platform	I-Language
(	O
RAP	O
)	O
,	O
which	O
combines	O
the	O
qooxdoo	B-Language
Ajax	B-General_Concept
library	O
with	O
the	O
SWT	O
API	B-Application
.	O
</s>
<s>
Like	O
other	O
Java	B-Language
Ajax	B-General_Concept
projects	O
(	O
such	O
as	O
Echo2	O
,	O
Vaadin	B-Language
and	O
Google	B-Language
Web	I-Language
Toolkit	I-Language
)	O
,	O
the	O
usage	O
of	O
the	O
SWT	O
API	B-Application
allows	O
developing	O
applications	O
quickly	O
for	O
the	O
web	O
in	O
much	O
the	O
same	O
way	O
as	O
for	O
the	O
desktop	O
.	O
</s>
