<s>
KVIrc	B-Language
is	O
a	O
graphical	O
IRC	O
client	O
for	O
Linux	B-Application
,	O
Unix	B-Application
,	O
Mac	B-Application
OS	I-Application
and	O
Windows	B-Application
.	O
</s>
<s>
The	O
name	O
is	O
an	O
acronym	O
of	O
K	O
Visual	O
IRC	O
in	O
which	O
the	O
K	O
stands	O
for	O
a	O
dependency	O
to	O
KDE	B-Application
,	O
which	O
became	O
optional	O
from	O
version	O
2.0.0	O
.	O
</s>
<s>
The	O
software	O
is	O
based	O
on	O
the	O
Qt	B-Language
framework	I-Language
and	O
its	O
code	O
is	O
released	O
under	O
a	O
modified	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
KVIrc	B-Language
is	O
able	O
to	O
connect	O
to	O
several	O
servers	O
at	O
the	O
same	O
time	O
(	O
optionally	O
with	O
SSL	B-Protocol
and/or	O
over	O
IPv6	B-Protocol
)	O
.	O
</s>
<s>
Unicode	O
,	O
ISO-8859-*	O
,	O
Asian	O
and	O
Windows-native	O
character	O
sets	O
are	O
supported	O
.	O
</s>
<s>
Along	O
with	O
the	O
widely	O
supported	O
mIRC-Codes	O
for	O
bold	O
,	O
underlined	O
and	O
colored	O
fonts	O
,	O
KVIrc	B-Language
provides	O
graphical	O
emoticons	O
and	O
animated	O
avatars	O
.	O
</s>
<s>
The	O
channel	O
windows	B-Application
can	O
be	O
split	O
in	O
two	O
subwindows	O
,	O
one	O
for	O
chat	O
messages	O
and	O
the	O
other	O
for	O
commands	O
like	O
joins/parts/mode	O
changes	O
.	O
</s>
<s>
Every	O
channel	O
,	O
query	O
and	O
DCC	O
Chat	O
is	O
encryptable	O
with	O
Blowfish	B-Algorithm
or	O
AES/Rijndael	B-Algorithm
.	O
</s>
<s>
KVIrc	B-Language
has	O
its	O
own	O
scripting	O
language	O
named	O
KVS	O
which	O
can	O
be	O
used	O
to	O
add	O
complex	O
functions	O
to	O
react	O
automatically	O
to	O
network	O
events	O
.	O
</s>
<s>
Perl	B-Language
and	O
Python	B-Language
can	O
be	O
also	O
used	O
to	O
a	O
certain	O
degree	O
.	O
</s>
<s>
Object-oriented	O
programming	O
is	O
supported	O
and	O
the	O
builtin	O
Qt	B-Application
binding	I-Application
classes	O
allow	O
building	O
additional	O
parts	O
of	O
user	O
interface	O
.	O
</s>
<s>
Szymon	O
Stefanek	O
began	O
the	O
development	O
of	O
KVIrc	B-Language
in	O
1998	O
and	O
released	O
the	O
first	O
public	O
version	O
in	O
1999	O
.	O
</s>
<s>
The	O
software	O
had	O
a	O
strict	O
dependency	O
on	O
the	O
KDE	B-Language
libraries	I-Language
and	O
was	O
available	O
only	O
on	O
the	O
Linux	B-Application
operating	I-Application
system	I-Application
.	O
</s>
<s>
The	O
interest	O
of	O
the	O
free	O
software	O
community	O
has	O
grown	O
quickly	O
,	O
the	O
client	O
was	O
included	O
in	O
several	O
linux	B-Application
distributions	O
and	O
additional	O
developers	O
joined	O
the	O
project	O
eventually	O
forming	O
the	O
informal	O
KVIrc	B-Language
Development	O
Team	O
.	O
</s>
<s>
Since	O
the	O
KDE	B-Language
libraries	I-Language
were	O
still	O
in	O
an	O
early	O
development	O
stage	O
their	O
interface	O
was	O
changing	O
very	O
frequently	O
and	O
it	O
became	O
hard	O
for	O
the	O
developers	O
to	O
follow	O
them	O
.	O
</s>
<s>
Moreover	O
,	O
there	O
was	O
strong	O
interest	O
in	O
porting	O
KVIrc	B-Language
to	O
Windows	B-Application
where	O
KDE	B-Application
was	O
n't	O
available	O
.	O
</s>
<s>
The	O
strict	O
dependency	O
on	O
KDELibs	B-Language
was	O
then	O
gradually	O
weakened	O
and	O
officially	O
dropped	O
in	O
version	O
2.0.0	O
.	O
</s>
<s>
Partial	O
KDE	B-Application
integration	O
is	O
still	O
available	O
as	O
a	O
compile	O
time	O
option	O
.	O
</s>
<s>
KVIrc	B-Language
3.0.0	O
was	O
released	O
in	O
2004	O
with	O
the	O
support	O
for	O
Linux	B-Application
and	O
Windows	B-Application
platforms	O
.	O
</s>
<s>
A	O
preliminary	O
Mac	B-Application
OS	I-Application
port	O
followed	O
in	O
the	O
same	O
year	O
.	O
</s>
<s>
KVIrc	B-Language
is	O
included	O
in	O
these	O
Linux	B-Application
distributions	O
:	O
Ubuntu	B-Operating_System
,	O
</s>
<s>
Gentoo	B-Application
Linux	I-Application
,	O
</s>
<s>
Arch	O
Linux	B-Application
,	O
</s>
<s>
OpenSUSE	B-Operating_System
,	O
Mageia	O
and	O
Red	O
Hat	O
Enterprise	O
Linux/Fedora	O
.	O
</s>
<s>
Other	O
linux	B-Application
flavors	O
are	O
supported	O
via	O
community	O
contributed	O
binary	O
packages	O
and	O
build	O
scripts	O
.	O
</s>
<s>
KVIrc	B-Language
is	O
also	O
available	O
for	O
Microsoft	B-Application
Windows	I-Application
2000	O
/	O
XP	O
/	O
Vista	O
/	O
7	O
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
and	O
FreeBSD	B-Operating_System
.	O
</s>
