<s>
Screenlets	B-Application
is	O
the	O
name	O
of	O
both	O
a	O
set	O
of	O
independently	O
developed	O
widget	O
applications	O
and	O
the	O
widget	O
engine	O
which	O
runs	O
them	O
.	O
</s>
<s>
The	O
engine	O
runs	O
primarily	O
on	O
X11-based	O
compositing	B-Operating_System
window	I-Operating_System
managers	I-Operating_System
,	O
most	O
notably	O
with	O
Compiz	B-Language
on	O
Linux	B-Application
.	O
</s>
<s>
Until	O
0.0.14	O
,	O
screenlets	B-Application
were	O
exclusively	O
scripted	O
in	O
Python	B-Language
and	O
drawn	O
in	O
SVG	B-Application
.	O
</s>
<s>
Afterward	O
,	O
support	O
was	O
added	O
for	O
web	O
widgets	O
(	O
widgets	O
which	O
are	O
written	O
in	O
HTML	B-Language
,	O
JavaScript	B-Language
and	O
CSS	B-Language
,	O
similar	O
to	O
widgets	O
for	O
Apple	O
Inc.	O
'	O
s	O
Dashboard	B-Application
)	O
.	O
</s>
<s>
The	O
engine	O
also	O
supports	O
Google	B-Application
Gadgets	I-Application
.	O
</s>
