<s>
Rainmeter	B-Application
is	O
a	O
free	B-License
and	I-License
open-source	I-License
desktop	O
customization	O
utility	O
for	O
Windows	B-Application
released	O
under	O
the	O
GNU	B-License
GPL	I-License
v2	I-License
license	O
.	O
</s>
<s>
It	O
allows	O
users	O
to	O
create	O
and	O
display	O
user-generated	O
customizable	O
desktop	O
widgets	O
or	O
applets	B-Language
called	O
"	O
skins	O
"	O
that	O
display	O
information	O
.	O
</s>
<s>
Common	O
functionalities	O
of	O
Rainmeter	B-Application
skins	O
include	O
desktop	O
clocks	O
,	O
RSS	B-Application
readers	I-Application
,	O
system	B-Application
monitors	I-Application
,	O
weather	O
widgets	O
,	O
application	O
launchers	O
and	O
audio	O
players	O
.	O
</s>
<s>
The	O
Rainmeter	B-Application
project	O
was	O
originally	O
founded	O
by	O
Kimmo	O
'	O
Rainy	O
 '	O
Pekkola	O
,	O
the	O
developer	O
of	O
Rainlendar	B-Language
,	O
in	O
2001	O
.	O
</s>
<s>
The	O
project	O
is	O
primarily	O
written	O
in	O
C++	B-Language
,	O
while	O
plugins	O
can	O
be	O
written	O
in	O
either	O
C++	B-Language
or	O
C#	B-Application
.	O
</s>
<s>
Rainmeter	B-Application
skins	O
are	O
written	O
in	O
Rainmeter	B-Application
code	O
using	O
a	O
text	O
editor	O
and	O
stored	O
as	O
INI	B-Protocol
configuration	O
files	O
.	O
</s>
