<s>
KOffice	B-Language
is	O
a	O
free	B-License
and	I-License
open	I-License
source	I-License
office	O
and	O
graphics	B-Application
suite	I-Application
developed	O
by	O
KDE	B-Application
for	O
Unix-like	B-Operating_System
and	O
Windows	O
systems	O
.	O
</s>
<s>
KOffice	B-Language
contains	O
a	O
word	B-General_Concept
processor	I-General_Concept
(	O
KWord	B-Protocol
)	O
,	O
a	O
spreadsheet	B-Application
(	O
KSpread	B-Language
)	O
,	O
a	O
presentation	B-Application
program	I-Application
(	O
KPresenter	B-Language
)	O
,	O
and	O
a	O
number	O
of	O
other	O
components	O
that	O
varied	O
over	O
the	O
course	O
of	O
its	O
development	O
.	O
</s>
<s>
KOffice	B-Language
was	O
superseded	O
by	O
Calligra	B-Application
Suite	I-Application
in	O
KDE	B-Application
.	O
</s>
<s>
The	O
KDE3	O
version	O
is	O
maintained	O
by	O
the	O
Trinity	B-Application
Desktop	I-Application
project	O
.	O
</s>
<s>
After	O
development	O
began	O
in	O
1997	O
,	O
two	O
major	O
stable	O
releases	O
of	O
KOffice	B-Language
were	O
published	O
:	O
Version	O
1.0	O
in	O
2000	O
and	O
2.0	O
in	O
2009	O
.	O
</s>
<s>
Following	O
internal	O
conflicts	O
,	O
the	O
majority	O
of	O
KOffice	B-Language
developers	O
split	O
off	O
in	O
2010	O
–	O
resulting	O
in	O
the	O
creation	O
of	O
Calligra	B-Application
Suite	I-Application
.	O
</s>
<s>
Two	O
years	O
later	O
,	O
in	O
September	O
2012	O
,	O
the	O
KOffice.org	O
website	O
went	O
offline	O
.	O
</s>
<s>
It	O
now	O
redirects	O
to	O
Calligra.org	O
.	O
</s>
<s>
Initial	O
work	O
on	O
KOffice	B-Language
development	O
began	O
in	O
1997	O
,	O
by	O
Reginald	O
Stadlbauer	O
with	O
KPresenter	B-Language
,	O
followed	O
by	O
KWord	B-Protocol
in	O
1998	O
.	O
</s>
<s>
In	O
1999	O
,	O
KOffice	B-Language
was	O
cited	O
in	O
testimony	O
in	O
the	O
United	O
States	O
v	O
.	O
Microsoft	O
antitrust	O
trial	O
by	O
then-Microsoft	O
executive	O
Paul	O
Maritz	O
as	O
evidence	O
of	O
competition	O
in	O
the	O
operating	O
system	O
and	O
office	O
suite	O
arena	O
.	O
</s>
<s>
The	O
first	O
official	O
release	O
of	O
the	O
KOffice	B-Language
suite	O
was	O
on	O
23	O
October	O
2000	O
,	O
when	O
it	O
was	O
released	O
as	O
part	O
of	O
K	B-Application
Desktop	I-Application
Environment	I-Application
2.0	O
.	O
</s>
<s>
KOffice	B-Language
underwent	O
a	O
major	O
transition	O
as	O
part	O
of	O
the	O
release	O
of	O
KDE	B-Language
Software	I-Language
Compilation	I-Language
4	I-Language
(	O
SC4	B-Language
)	O
.	O
</s>
<s>
Coinciding	O
with	O
the	O
work	O
on	O
SC4	B-Language
,	O
the	O
KOffice	B-Language
team	O
prepared	O
a	O
major	O
new	O
release	O
–	O
KOffice	B-Language
2.0	O
–	O
which	O
used	O
the	O
new	O
KDE	B-Language
Platform	I-Language
4	I-Language
libraries	O
.	O
</s>
<s>
Although	O
version	O
2.0	O
was	O
released	O
in	O
2009	O
,	O
the	O
release	O
was	O
labeled	O
as	O
a	O
“	O
platform	O
release	O
”	O
which	O
was	O
recommended	O
only	O
for	O
testers	O
and	O
developers	O
,	O
rather	O
than	O
production	O
use	O
,	O
since	O
the	O
release	O
was	O
missing	O
key	O
features	O
and	O
applications	O
from	O
the	O
previous	O
stable	O
release	O
series	O
–	O
Kexi	B-Language
,	O
Kivio	B-Language
,	O
and	O
Kugar	B-Language
were	O
not	O
included	O
.	O
</s>
<s>
This	O
version	O
was	O
also	O
ported	O
to	O
Haiku	B-Language
but	O
the	O
port	O
was	O
later	O
not	O
updated	O
for	O
newer	O
KOffice	B-Language
versions	O
.	O
</s>
<s>
Kexi	B-Language
was	O
integrated	O
again	O
.	O
</s>
<s>
Kivio	B-Language
was	O
not	O
migrated	O
.	O
</s>
<s>
A	O
new	O
framework	O
for	O
effects	O
on	O
shapes	O
and	O
a	O
new	O
import	O
filters	O
for	O
the	O
Microsoft	B-Operating_System
Office	I-Operating_System
Open	I-Operating_System
XML	I-Operating_System
formats	O
used	O
in	O
MS	O
Office	O
2007	O
and	O
later	O
was	O
added	O
.	O
</s>
<s>
In	O
mid-2010	O
,	O
following	O
disagreements	O
between	O
KWord	B-Protocol
maintainer	O
Thomas	O
Zander	O
and	O
the	O
other	O
core	O
developers	O
,	O
the	O
KOffice	B-Language
community	O
split	O
into	O
two	O
separate	O
communities	O
,	O
KOffice	B-Language
and	O
Calligra	B-Application
.	O
</s>
<s>
KOffice	B-Language
forked	B-Application
the	O
KSpread	B-Language
spreadsheet	B-Application
utility	O
to	O
KCells	B-Language
,	O
also	O
the	O
KPresenter	B-Language
presentation	O
tool	O
to	O
KOffice	B-Language
Showcase	I-Language
,	O
and	O
the	O
Karbon14	B-Language
drawing	O
tool	O
to	O
KOffice	B-Language
Artwork	I-Language
.	O
</s>
<s>
The	O
community	O
split	O
coincided	O
with	O
the	O
move	O
from	O
KDE	B-Application
's	O
Subversion	B-Application
repository	O
to	O
git	B-Application
.	O
</s>
<s>
The	O
Krita	B-Application
painting	O
application	O
,	O
the	O
Kexi	B-Language
database	O
manager	O
,	O
and	O
dedicated	O
mobile	O
platform	O
GUI	B-Application
files	O
were	O
not	O
migrated	O
into	O
the	O
KOffice	B-Language
git	B-Application
repository	O
.	O
</s>
<s>
KOffice	B-Language
2.3	O
,	O
released	O
31	O
December	O
2010	O
,	O
along	O
with	O
subsequent	O
bugfix	O
releases	O
(	O
2.3.1	O
–	O
2.3.3	O
)	O
was	O
still	O
a	O
collaborative	O
effort	O
of	O
both	O
the	O
KOffice	B-Language
and	O
Calligra	B-Application
development	O
teams	O
.	O
</s>
<s>
Beginning	O
with	O
KOffice	B-Language
2.4	O
the	O
developers	O
aimed	O
to	O
release	O
new	O
KOffice	B-Language
versions	O
every	O
six	O
months	O
in	O
sync	O
with	O
SC4	B-Language
releases	O
but	O
KOffice	B-Language
had	O
seen	O
no	O
development	O
activity	O
since	O
mid-March	O
2012	O
.	O
</s>
<s>
As	O
of	O
September	O
2013	O
,	O
Calligra	B-Application
has	O
released	O
2.4	O
and	O
2.5	O
and	O
2.6	O
and	O
2.7	O
.	O
</s>
<s>
After	O
two	O
minor	O
commits	O
in	O
August	O
2012	O
the	O
koffice.org	O
website	O
was	O
replaced	O
by	O
a	O
placeholder	O
in	O
early	O
September	O
2012	O
.	O
</s>
<s>
On	O
22	O
October	O
2012	O
KDE	B-Application
removed	O
KOffice	B-Language
from	O
their	O
Quality	O
Website	O
Tools	O
.	O
</s>
<s>
KOffice	B-Language
was	O
declared	O
unmaintained	O
by	O
KDE	B-Application
.	O
</s>
<s>
The	O
last	O
formally	O
released	O
version	O
of	O
KOffice	B-Language
included	O
the	O
following	O
components	O
:	O
</s>
<s>
center|x50px	O
KWord	B-Protocol
A	O
word	B-General_Concept
processor	I-General_Concept
with	O
style	O
sheets	O
and	O
frame-support	O
for	O
DTP-style	O
editing	O
of	O
complex	O
layouts.center	O
|x50px	O
KSpread	B-Language
A	O
spreadsheet	B-Application
application	O
with	O
multiple	O
sheet	O
support	O
,	O
templates	O
and	O
more	O
than	O
100	O
mathematical	O
formulae.center	O
|x50px	O
KPresenter	B-Language
A	O
presentation	B-Application
program	I-Application
with	O
image	O
and	O
effect	O
support.center	O
|x50px	O
Kexi	B-Language
An	O
integrated	O
data	O
management	O
application	O
,	O
designed	O
as	O
a	O
Microsoft	B-Application
Access	I-Application
or	O
FileMaker	B-Application
competitor	O
.	O
</s>
<s>
It	O
has	O
limited	O
compatibility	O
with	O
the	O
MS	B-Application
Access	I-Application
file	O
format.center	O
|x50px	O
Karbon14	B-Language
A	O
vector	O
drawing	O
application	O
with	O
a	O
variety	O
of	O
drawing	O
and	O
editing	O
tools	O
–	O
formerly	O
known	O
as	O
Kontour	O
and	O
KIllustrator.center	O
|x50px	O
Krita	B-Application
A	O
digital	O
painting	O
program	O
,	O
with	O
some	O
image	B-Algorithm
processing	I-Algorithm
features	O
–	O
formerly	O
known	O
as	O
Krayon	B-Application
and	O
KImageshop.center	O
|x50px	O
KChart	O
Integrated	O
report	O
and	O
chart	O
generator.center	O
|x50px	O
KFormula	O
An	O
integrated	O
mathematical	O
formula	O
editor.center	O
|x50pxKPlato	O
A	O
project	O
management	O
application	O
that	O
can	O
create	O
Gantt-style	B-Application
charts	I-Application
.	O
</s>
<s>
KOffice	B-Language
applications	O
were	O
developed	O
using	O
Qt	B-Language
and	O
KDE	B-Language
Platform	I-Language
.	O
</s>
<s>
All	O
its	O
components	O
are	O
released	O
under	O
free	B-License
software	I-License
licenses	I-License
and	O
use	O
OpenDocument	B-Application
as	O
their	O
native	O
file	O
format	O
when	O
possible	O
.	O
</s>
<s>
KOffice	B-Language
was	O
released	O
separately	O
from	O
KDE	B-Language
SC	I-Language
4	I-Language
and	O
can	O
be	O
downloaded	O
from	O
KDE	B-Application
's	O
FTP	O
server	O
.	O
</s>
<s>
KOffice	B-Language
2	O
underwent	O
a	O
large	O
overhaul	O
to	O
use	O
the	O
Flake	B-Language
system	O
of	O
components	O
and	O
Pigment	O
color	O
system	O
,	O
as	O
much	O
as	O
possible	O
within	O
applications	O
.	O
</s>
<s>
KOffice	B-Language
developers	O
planned	O
to	O
share	O
as	O
much	O
infrastructure	O
as	O
possible	O
between	O
applications	O
to	O
reduce	O
bugs	O
and	O
improve	O
the	O
user	O
experience	O
.	O
</s>
<s>
They	O
also	O
wanted	O
to	O
create	O
an	O
OpenDocument	B-Application
library	O
for	O
use	O
in	O
other	O
KDE	B-Application
applications	O
that	O
will	O
allow	O
developers	O
to	O
easily	O
add	O
support	O
for	O
reading	O
and	O
outputting	O
OpenDocument	B-Application
files	O
to	O
their	O
applications	O
.	O
</s>
<s>
Automating	O
tasks	O
and	O
extending	O
the	O
suite	O
with	O
custom	O
functionality	O
can	O
be	O
done	O
with	O
D-Bus	B-Language
or	O
with	O
scripting	O
languages	O
like	O
Python	B-Language
,	O
Ruby	B-Language
,	O
and	O
JavaScript	B-Language
.	O
</s>
