<s>
KDE	B-Language
Projects	I-Language
are	O
projects	O
maintained	O
by	O
the	O
KDE	B-Application
community	I-Application
,	O
a	O
group	O
of	O
people	O
developing	O
and	O
advocating	O
free	B-Application
software	I-Application
for	O
everyday	O
use	O
,	O
for	O
example	O
KDE	B-Language
Plasma	I-Language
and	O
KDE	B-Language
Frameworks	I-Language
or	O
applications	O
such	O
as	O
Amarok	B-Language
,	O
Krita	B-Application
or	O
Digikam	B-Language
.	O
</s>
<s>
There	O
are	O
also	O
non-coding	O
projects	O
like	O
designing	O
the	O
Breeze	O
desktop	O
theme	O
and	O
iconset	O
,	O
which	O
is	O
coordinated	O
by	O
KDE	B-Application
's	O
Visual	O
Design	O
Group	O
.	O
</s>
<s>
Even	O
non-Qt	O
applications	O
like	O
GCompris	B-Language
,	O
which	O
started	O
as	O
a	O
GTK-based	O
application	O
,	O
or	O
web-based	O
projects	O
like	O
WikiToLearn	O
are	O
officially	O
part	O
of	O
KDE	B-Application
.	O
</s>
<s>
As	O
of	O
today	O
there	O
are	O
many	O
KDE	B-Language
projects	I-Language
that	O
are	O
either	O
stand-alone	O
or	O
grouped	O
into	O
larger	O
sub-projects	O
:	O
</s>
<s>
KDE	B-Language
Applications	I-Language
Bundle	I-Language
:	O
Containing	O
core	O
applications	O
like	O
Konqueror	B-Application
,	O
Dolphin	B-Application
,	O
KWrite	O
,	O
and	O
Konsole	B-Language
.	O
</s>
<s>
Major	O
applications	O
developed	O
by	O
KDE	B-Application
include	O
:	O
</s>
<s>
Kontact	B-Language
–	O
Personal	B-Application
information	I-Application
manager	I-Application
featuring	O
an	O
e-mail	B-Protocol
client	I-Protocol
,	O
a	O
news	B-Protocol
client	I-Protocol
,	O
a	O
feed	B-Application
aggregator	I-Application
,	O
to-do	O
lists	O
,	O
etc	O
.	O
</s>
<s>
KDE-Plasma-Addons	O
:	O
Additional	O
Plasma	B-Language
widgets	O
.	O
</s>
<s>
KDE-Accessibility	O
:	O
Accessibility	O
applications	O
.	O
</s>
<s>
KDE-Extragear	O
:	O
Extragear	O
is	O
a	O
collection	O
of	O
applications	O
and	O
tools	O
that	O
are	O
not	O
part	O
of	O
the	O
core	O
KDE	B-Language
Applications	I-Language
.	O
</s>
<s>
KDE-Playground	O
:	O
This	O
repository	O
contains	O
new	O
and	O
unstable	O
software	O
.	O
</s>
<s>
KDE	B-Language
neon	I-Language
:	O
a	O
distro	O
featuring	O
the	O
latest	O
KDE	B-Language
software	I-Language
packages	O
on	O
top	O
of	O
an	O
Ubuntu	O
base	O
.	O
</s>
<s>
The	O
source	O
code	O
of	O
every	O
KDE	B-Application
project	O
is	O
stored	O
in	O
a	O
source	O
code	O
repository	O
using	O
Git	B-Application
.	O
</s>
<s>
Stable	O
versions	O
are	O
released	O
to	O
the	O
KDE	B-Application
FTP	B-Protocol
server	I-Protocol
in	O
the	O
form	O
of	O
source	O
code	O
with	O
configure	B-Device
scripts	I-Device
,	O
ready	O
to	O
be	O
compiled	O
by	O
operating	O
system	O
vendors	O
and	O
to	O
be	O
integrated	O
with	O
the	O
rest	O
of	O
their	O
systems	O
before	O
distribution	O
.	O
</s>
<s>
Most	O
vendors	O
use	O
only	O
stable	O
and	O
tested	O
versions	O
of	O
KDE	B-Application
programs	O
or	O
applications	O
,	O
providing	O
it	O
in	O
the	O
form	O
of	O
easily	O
installable	O
,	O
pre-compiled	O
packages	O
.	O
</s>
<s>
Most	O
KDE	B-Language
projects	I-Language
are	O
using	O
the	O
Qt	B-Language
framework	I-Language
,	O
which	O
runs	O
on	O
most	O
Unix	O
and	O
Unix-like	B-Operating_System
systems	I-Operating_System
(	O
including	O
Mac	B-Application
OS	I-Application
X	I-Application
)	O
,	O
and	O
Microsoft	O
Windows	O
.	O
</s>
<s>
CMake	B-Language
serves	O
as	O
the	O
build	O
tool	O
.	O
</s>
<s>
This	O
allows	O
KDE	B-Application
to	O
support	O
a	O
wider	O
range	O
of	O
platforms	O
,	O
including	O
Windows	O
.	O
</s>
<s>
GNU	B-Application
gettext	I-Application
is	O
used	O
for	O
translation	O
.	O
</s>
<s>
Doxygen	B-Language
is	O
used	O
to	O
generate	O
api	O
documentation	O
.	O
</s>
<s>
KDE	B-Language
software	I-Language
projects	O
must	O
be	O
released	O
under	O
free	O
licensing	O
terms	O
.	O
</s>
<s>
In	O
November	O
1998	O
,	O
the	O
Qt	B-Language
framework	I-Language
was	O
dual-licensed	O
under	O
the	O
free	B-License
and	I-License
open-source	I-License
Q	B-Language
Public	I-Language
License	I-Language
(	O
QPL	B-Language
)	O
and	O
a	O
commercial	O
license	O
for	O
proprietary	B-Application
software	I-Application
developers	B-Application
.	O
</s>
<s>
The	O
same	O
year	O
,	O
the	O
KDE	B-Application
Free	O
Qt	B-Language
foundation	O
was	O
created	O
which	O
guarantees	O
that	O
Qt	B-Language
would	O
fall	O
under	O
a	O
variant	O
of	O
the	O
very	O
liberal	O
BSD	B-Operating_System
license	I-Operating_System
should	O
Trolltech	O
cease	O
to	O
exist	O
or	O
no	O
free	O
version	O
of	O
Qt	B-Language
be	O
released	O
during	O
12	O
months	O
.	O
</s>
<s>
Debate	O
continued	O
about	O
compatibility	O
with	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
(	O
GPL	B-License
)	O
,	O
hence	O
in	O
September	O
2000	O
Trolltech	O
made	O
the	O
Unix	O
version	O
of	O
the	O
Qt	B-Language
libraries	I-Language
available	O
under	O
the	O
GPL	B-License
in	O
addition	O
to	O
the	O
QPL	B-Language
which	O
eliminated	O
the	O
concerns	O
of	O
the	B-Operating_System
Free	I-Operating_System
Software	I-Operating_System
Foundation	I-Operating_System
.	O
</s>
<s>
Trolltech	O
continued	O
to	O
require	O
licenses	O
for	O
developing	O
proprietary	B-Application
software	I-Application
with	O
Qt	B-Language
.	O
</s>
<s>
The	O
core	O
libraries	B-Library
of	O
KDE	B-Application
are	O
collectively	O
licensed	O
under	O
the	O
GNU	B-Application
LGPL	I-Application
but	O
the	O
only	O
way	O
for	O
proprietary	B-Application
software	I-Application
to	O
make	O
use	O
of	O
them	O
was	O
to	O
be	O
developed	O
under	O
the	O
terms	O
of	O
the	O
Qt	B-Language
proprietary	B-Application
license	I-Application
.	O
</s>
<s>
Starting	O
with	O
Qt	B-Language
4.5	O
,	O
Qt	B-Language
was	O
also	O
made	O
available	O
under	O
the	O
LGPL	B-Application
version	O
2.1	O
,	O
now	O
allowing	O
proprietary	B-Application
applications	O
to	O
legally	O
use	O
the	O
open	O
source	O
Qt	B-Language
version	O
.	O
</s>
