<s>
Vidalia	B-Language
is	O
a	O
discontinued	O
cross-platform	O
GUI	B-Application
for	O
controlling	O
Tor	B-Application
,	O
built	O
using	O
Qt	B-Language
.	O
</s>
<s>
The	O
name	O
comes	O
from	O
the	O
Vidalia	B-Language
onion	O
since	O
Tor	B-Application
uses	O
onion	B-Protocol
routing	I-Protocol
.	O
</s>
<s>
It	O
allows	O
the	O
user	O
to	O
start	O
,	O
stop	O
or	O
view	O
the	O
status	O
of	O
Tor	B-Application
,	O
view	O
,	O
filter	O
or	O
search	O
log	O
messages	O
,	O
monitor	O
bandwidth	O
usage	O
,	O
and	O
configure	O
some	O
aspects	O
of	O
Tor	B-Application
.	O
</s>
<s>
Vidalia	B-Language
also	O
makes	O
it	O
easier	O
to	O
contribute	O
to	O
the	O
Tor	B-Application
network	I-Application
by	O
optionally	O
helping	O
the	O
user	O
set	O
up	O
a	O
Tor	B-Application
relay	O
.	O
</s>
<s>
Another	O
prominent	O
feature	O
of	O
Vidalia	B-Language
is	O
its	O
Tor	B-Application
network	I-Application
map	O
,	O
which	O
lets	O
the	O
user	O
see	O
the	O
geographic	O
location	O
of	O
relays	O
on	O
the	O
Tor	B-Application
network	I-Application
,	O
as	O
well	O
as	O
where	O
the	O
user	O
's	O
application	O
traffic	O
is	O
going	O
.	O
</s>
<s>
Vidalia	B-Language
is	O
released	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
It	O
runs	O
on	O
any	O
platform	O
supported	O
by	O
Qt	B-Language
4.2	O
,	O
including	O
Windows	B-Application
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
and	O
Linux	B-Application
or	O
other	O
Unix-like	B-Operating_System
variants	O
using	O
the	O
X11	B-Operating_System
window	I-Operating_System
system	I-Operating_System
.	O
</s>
<s>
Vidalia	B-Language
is	O
no	O
longer	O
maintained	O
or	O
supported	O
,	O
and	O
Tor	B-Application
developers	O
do	O
not	O
recommend	O
its	O
use	O
anymore	O
.	O
</s>
<s>
In	O
2013	O
it	O
was	O
replaced	O
with	O
a	O
Firefox-based	O
Tor	B-Application
controller	O
called	O
Tor	B-Application
Launcher	O
.	O
</s>
