<s>
TWiki	B-Language
is	O
a	O
Perl-based	O
structured	B-Protocol
wiki	I-Protocol
application	O
,	O
typically	O
used	O
to	O
run	O
a	O
collaboration	B-Application
platform	I-Application
,	O
knowledge	O
or	O
document	O
management	O
system	O
,	O
a	O
knowledge	O
base	O
,	O
or	O
team	O
portal	O
.	O
</s>
<s>
Users	O
can	O
create	O
wiki	B-Protocol
pages	O
using	O
the	O
TWiki	B-Language
Markup	O
Language	O
,	O
and	O
developers	O
can	O
extend	O
wiki	B-Protocol
application	I-Protocol
functionality	O
with	O
plugins	B-Application
.	O
</s>
<s>
The	O
TWiki	B-Language
project	O
was	O
founded	O
by	O
Peter	B-Language
Thoeny	I-Language
in	O
1998	O
as	O
an	O
open-source	B-Application
wiki-based	O
application	O
platform	O
.	O
</s>
<s>
In	O
October	O
2008	O
,	O
the	O
company	O
TWiki.net,	O
created	O
by	O
Thoeny	O
,	O
assumed	O
full	O
control	O
over	O
the	O
TWiki	B-Language
project	O
while	O
much	O
of	O
the	O
developer	O
community	O
forked	O
off	O
to	O
join	O
the	O
Foswiki	B-Language
project	O
.	O
</s>
<s>
TWiki	B-Language
has	O
a	O
plugin	B-Application
API	O
that	O
has	O
spawned	O
over	O
300	O
extensions	O
to	O
link	O
into	O
databases	O
,	O
create	O
charts	O
,	O
tags	B-General_Concept
,	O
sort	O
tables	O
,	O
write	O
spreadsheets	B-Application
,	O
create	O
image	B-Algorithm
gallery	I-Algorithm
and	O
slideshows	O
,	O
make	O
drawings	O
,	O
write	O
blogs	O
,	O
plot	O
graphs	B-Application
,	O
interface	O
to	O
many	O
different	O
authentication	O
schemes	O
,	O
track	O
Extreme	O
Programming	O
projects	O
and	O
so	O
on	O
.	O
</s>
<s>
TWiki	B-Language
as	O
a	O
structured	B-Protocol
wiki	I-Protocol
provides	O
database-like	O
manipulation	O
of	O
fields	O
stored	O
on	O
pages	O
,	O
and	O
offers	O
a	O
SQL-like	O
query	O
language	O
to	O
embed	O
reports	O
in	O
wiki	B-Protocol
pages	O
.	O
</s>
<s>
Wiki	B-Protocol
applications	I-Protocol
are	O
also	O
called	O
situational	B-Application
applications	I-Application
because	O
they	O
are	O
created	O
ad	O
hoc	O
by	O
the	O
users	O
for	O
very	O
specific	O
needs	O
.	O
</s>
<s>
Users	O
have	O
built	O
TWiki	B-Language
applications	O
that	O
include	O
call	O
center	O
status	O
boards	O
,	O
to-do	O
lists	O
,	O
inventory	O
systems	O
,	O
employee	O
handbooks	O
,	O
bug	B-Application
trackers	I-Application
,	O
blog	O
applications	O
,	O
discussion	O
forums	O
,	O
status	O
reports	O
with	O
rollups	O
and	O
more	O
.	O
</s>
<s>
The	O
interface	O
of	O
TWiki	B-Language
is	O
completely	O
skinnable	O
in	O
templates	O
,	O
themes	O
and	O
(	O
per	O
user	O
)	O
CSS	B-Language
.	O
</s>
<s>
It	O
includes	O
support	O
for	O
internationalization	O
( 	O
 '	O
I18N	B-General_Concept
 '	O
)	O
,	O
with	O
support	O
for	O
multiple	O
character	O
sets	O
,	O
UTF-8	O
URLs	O
,	O
and	O
the	O
user	O
interface	O
has	O
been	O
translated	O
into	O
Chinese	O
,	O
Czech	O
,	O
Danish	O
,	O
Dutch	O
,	O
French	O
,	O
German	O
,	O
Italian	O
,	O
Japanese	O
,	O
Polish	O
,	O
Portuguese	O
,	O
Russian	O
,	O
Spanish	O
and	O
Swedish	O
.	O
</s>
<s>
TWiki	B-Language
is	O
primarily	O
used	O
at	O
the	O
workplace	O
as	O
a	O
corporate	O
wiki	B-Protocol
to	O
coordinate	O
team	O
activities	O
,	O
track	O
projects	O
,	O
implement	O
workflows	B-Operating_System
and	O
as	O
an	O
Intranet	O
Wiki	B-Protocol
.	O
</s>
<s>
The	O
TWiki	B-Language
community	O
estimates	O
40,000	O
corporate	O
wiki	B-Protocol
sites	O
as	O
of	O
March	O
2007	O
,	O
and	O
20,000	O
public	O
TWiki	B-Language
sites	O
.	O
</s>
<s>
TWiki	B-Language
customers	O
include	O
Fortune	O
500	O
such	O
as	O
Disney	O
,	O
Motorola	O
,	O
Nokia	O
,	O
NYU	O
,	O
Oracle	B-Application
Corporation	I-Application
and	O
Yahoo	O
!,	O
as	O
well	O
as	O
small	O
and	O
medium	O
enterprises	O
,	O
such	O
as	O
ARM	O
Holdings	O
and	O
DHL	O
.	O
</s>
<s>
TWiki	B-Language
has	O
also	O
been	O
used	O
to	O
create	O
collaborative	O
internet	O
sites	O
,	O
such	O
as	O
the	O
City	O
of	O
Melbourne	O
's	O
FutureMelbourne	O
wiki	B-Protocol
where	O
citizens	O
can	O
collaborate	O
on	O
the	O
future	O
plan	O
.	O
</s>
<s>
TWiki	B-Language
is	O
implemented	O
in	O
Perl	B-Language
.	O
</s>
<s>
Wiki	B-Protocol
pages	O
are	O
stored	O
in	O
plain	O
text	O
files	O
.	O
</s>
<s>
Everything	O
,	O
including	O
meta	O
such	O
as	O
access	O
control	O
settings	O
,	O
are	O
version	O
controlled	O
using	O
RCS	B-Architecture
.	O
</s>
<s>
RCS	B-Architecture
is	O
optional	O
since	O
an	O
all-Perl	O
version	B-Architecture
control	I-Architecture
system	I-Architecture
is	O
provided	O
.	O
</s>
<s>
TWiki	B-Language
scales	O
reasonably	O
well	O
even	O
though	O
it	O
uses	O
plain	O
text	O
files	O
and	O
no	O
relational	B-Application
database	I-Application
to	O
store	O
page	O
data	O
.	O
</s>
<s>
Many	O
corporate	O
TWiki	B-Language
installations	O
have	O
several	O
hundred	O
thousand	O
pages	O
and	O
tens	O
of	O
thousands	O
of	O
users	O
.	O
</s>
<s>
Load	B-Application
balancing	I-Application
and	O
caching	O
can	O
be	O
used	O
to	O
improve	O
performance	O
on	O
high	O
traffic	O
sites	O
.	O
</s>
<s>
TWiki	B-Language
has	O
database	O
features	O
built	O
into	O
the	O
engine	O
.	O
</s>
<s>
A	O
TWiki	B-Language
Form	O
is	O
attached	O
to	O
a	O
page	O
as	O
meta	O
data	O
.	O
</s>
<s>
This	O
allows	O
for	O
building	O
wiki	B-Protocol
applications	I-Protocol
and	O
constitutes	O
the	O
TWiki	B-Language
's	O
notion	O
of	O
a	O
structured	B-Protocol
wiki	I-Protocol
.	O
</s>
<s>
Forks	B-Application
of	O
TWiki	B-Language
include	O
:	O
</s>
