<s>
Kolab	B-Language
is	O
a	O
free	B-Application
and	O
open	B-Application
source	I-Application
groupware	B-Application
suite	O
.	O
</s>
<s>
It	O
consists	O
of	O
the	O
Kolab	B-Language
server	B-Application
and	O
a	O
wide	O
variety	O
of	O
Kolab	B-Language
clients	B-Protocol
,	O
including	O
KDE	B-Application
PIM-Suite	O
Kontact	B-Language
,	O
Roundcube	B-Language
web	O
frontend	O
,	O
Mozilla	B-Application
Thunderbird	I-Application
and	O
Mozilla	B-Language
Lightning	I-Language
with	O
SyncKolab	O
extension	O
and	O
Microsoft	O
Outlook	O
with	O
proprietary	B-Application
Kolab-Connector	O
PlugIns	O
.	O
</s>
<s>
Kolab	B-Language
uses	O
IMAP	B-Protocol
as	O
an	O
underlying	O
protocol	O
for	O
email	O
,	O
contact	O
,	O
and	O
calendar	O
entries	O
.	O
</s>
<s>
These	O
entries	O
are	O
saved	O
in	O
IMAP	B-Protocol
folders	O
in	O
Kolab	B-Language
XML	B-Protocol
format	O
,	O
and	O
the	O
IMAP	B-Protocol
server	I-Protocol
controls	O
storage	O
and	O
access	O
rights	O
.	O
</s>
<s>
Configuration	O
and	O
maintenance	O
of	O
Kolab	B-Language
is	O
done	O
by	O
LDAP	B-Protocol
.	O
</s>
<s>
Kolab	B-Language
Clients	B-Protocol
and	O
the	O
Kolab	B-Language
server	B-Application
use	O
well	O
established	O
protocols	O
and	O
formats	O
for	O
their	O
work	O
(	O
i.e.	O
</s>
<s>
IMAP	B-Protocol
as	O
mentioned	O
above	O
,	O
vCard	O
,	O
iCal	O
,	O
XML	B-Protocol
and	O
LDAP	B-Protocol
)	O
.	O
</s>
<s>
This	O
allows	O
the	O
Kolab	B-Language
Format	O
specification	O
framework	O
,	O
or	O
even	O
portions	O
of	O
it	O
,	O
to	O
be	O
utilized	O
as	O
an	O
open	O
set	O
of	O
specifications	O
for	O
groupware	B-Application
clients	B-Protocol
and	O
servers	O
to	O
communicate	O
with	O
each	O
other	O
.	O
</s>
<s>
Third	O
party	O
implementations	O
began	O
almost	O
immediately	O
;	O
for	O
example	O
,	O
the	O
Citadel	B-Protocol
groupware	B-Application
server	B-Application
began	O
supporting	O
version	O
1	O
of	O
the	O
Kolab	B-Language
Format	O
specification	O
in	O
March	O
2004	O
.	O
</s>
<s>
The	O
concepts	O
on	O
which	O
Kolab	B-Language
relies	O
are	O
laid	O
out	O
in	O
the	O
Kolab	B-Language
Format	O
Specification	O
and	O
Architecture	O
Paper	O
for	O
Kolab	B-Language
2	O
,	O
and	O
for	O
Kolab	B-Language
1	O
in	O
the	O
Kroupware	O
Contract	O
,	O
Architecture	O
Paper	O
and	O
Technical	O
Description	O
.	O
</s>
<s>
Full	O
seamless	O
support	O
of	O
mixed	O
clients	B-Protocol
environments	O
(	O
Outlook	O
,	O
KDE	B-Application
,	O
Web	O
etc	O
.	O
)	O
</s>
<s>
Support	O
for	O
server	B-Application
side	O
resource	O
management	O
(	O
e.g.	O
</s>
<s>
Roundcube	B-Language
is	O
the	O
default	O
web	B-Application
client	I-Application
delivered	O
with	O
Kolab	B-Language
3.0	O
;	O
</s>
<s>
KDE	B-Language
Kontact	I-Language
,	O
starting	O
with	O
version	O
4.10	O
,	O
and	O
(	O
K	B-Language
Desktop	I-Language
Environment	I-Language
,	O
Free	B-Application
Software	I-Application
)	O
;	O
</s>
<s>
,	O
starting	O
with	O
version	O
3.0.0	O
,	O
is	O
a	O
Mozilla	O
Thunderbird/SeaMonkey	O
and	O
Lightning	B-Language
extension	O
(	O
Free	B-Application
Software	I-Application
)	O
;	O
</s>
<s>
Kolab	B-Language
Desktop	O
Client	O
is	O
a	O
stabilized	O
and	O
professionally	O
supported	O
version	O
of	O
KDE	B-Language
Kontact	I-Language
.	O
</s>
<s>
Kolab	B-Language
3.0	O
was	O
released	O
,	O
featuring	O
the	O
improved	O
Kolab	B-Language
3	O
format	O
based	O
on	O
xCard	O
and	O
xCal	B-General_Concept
,	O
the	O
Roundcube	B-Language
web-client	O
,	O
a	O
new	O
ActiveSync	B-Operating_System
component	O
called	O
Syncroton	O
and	O
other	O
new	O
properties	O
.	O
</s>
<s>
Kolab	B-Protocol
Now	I-Protocol
hosted	O
solution	O
was	O
launched	O
.	O
</s>
<s>
It	O
lets	O
customers	O
create	O
individual	O
accounts	O
or	O
managed	O
domain	O
accounts	O
,	O
with	O
the	O
possibility	O
to	O
move	O
data	O
to	O
a	O
self-hosted	O
Kolab	B-Language
3	O
installation	O
any	O
time	O
.	O
</s>
<s>
evolution-kolab	O
had	O
its	O
first	O
release	O
as	O
part	O
of	O
the	O
GNOME	B-Application
initiative	O
in	O
Evolution	B-Language
3.4	O
.	O
</s>
<s>
SyncKolab	O
was	O
massively	O
overhauled	O
and	O
released	O
as	O
version	O
2.0	O
for	O
Thunderbird	B-Application
/	O
SeaMonkey	B-Language
(	O
optionally	O
with	O
Lightning	B-Language
for	O
calendaring	O
and	O
tasks	O
)	O
.	O
</s>
<s>
evolution-kolab	O
was	O
vastly	O
enhanced	O
and	O
had	O
its	O
second	O
release	O
as	O
part	O
of	O
the	O
GNOME	B-Application
initiative	O
in	O
Evolution	B-Language
3.6	O
.	O
</s>
<s>
SyncKolab	O
3.0	O
was	O
largely	O
rewritten	O
,	O
yielding	O
speed	O
and	O
feature	O
improvements	O
,	O
and	O
now	O
supports	O
the	O
Kolab	B-Language
3	O
format	O
.	O
</s>
<s>
Kolab	B-Language
2.3.0	O
was	O
released	O
,	O
containing	O
many	O
updated	O
core	O
components	O
and	O
other	O
improvements	O
,	O
the	O
new	O
Z-push	B-Protocol
synchronization	O
for	O
clients	B-Protocol
using	O
ActiveSync	B-Operating_System
(	O
in	O
addition	O
to	O
the	O
already	O
existing	O
SyncML	B-General_Concept
support	O
)	O
and	O
an	O
overhauled	O
web-based	O
administration	O
front-end	O
.	O
</s>
<s>
Kolab	B-Language
2.3.1	O
was	O
released	O
shortly	O
thereafter	O
,	O
as	O
a	O
bugfix	O
release	O
.	O
</s>
<s>
Kolab	B-Language
2.3.2	O
was	O
released	O
as	O
a	O
regular	O
maintenance	O
release	O
of	O
the	O
Kolab	B-Language
2.3	O
branch	O
,	O
with	O
updated	O
Postfix	B-Application
and	O
Z-push	B-Protocol
components	O
.	O
</s>
<s>
Kontact	B-Language
2	O
was	O
released	O
next	O
to	O
KDE	B-Language
SC	I-Language
4.6.4	O
,	O
with	O
many	O
improvements	O
related	O
to	O
Kolab	B-Language
.	O
</s>
<s>
evolution-kolab	O
was	O
released	O
,	O
which	O
extends	O
GNOME	B-Application
's	I-Application
Evolution	B-Language
and	O
EDS	O
(	O
Evolution	B-Language
Data	O
Server	B-Application
)	O
to	O
become	O
a	O
full-featured	O
Kolab	B-Language
client	O
.	O
</s>
<s>
Kolab	B-Language
2.3.3	O
was	O
released	O
,	O
providing	O
a	O
lot	O
of	O
bugfixes	O
for	O
the	O
Horde	B-Language
components	O
and	O
many	O
updated	O
base	O
components	O
(	O
Apache	B-Application
,	O
Cyrus	B-Protocol
IMAP	I-Protocol
,	O
OpenLDAP	B-Language
,	O
OpenSSL	B-Language
and	O
PHP	B-Application
)	O
.	O
</s>
<s>
Kolab	B-Language
2.3.4	O
was	O
released	O
as	O
a	O
bugfix	O
release	O
.	O
</s>
<s>
Kolab-WS	O
was	O
split	O
out	O
of	O
Syncphony	O
as	O
a	O
standalone	O
web	O
service	O
,	O
providing	O
Kolab	B-Language
functionality	O
.	O
</s>
<s>
KolabiPhone	O
,	O
a	O
Kolab	B-Language
sync	O
connector	O
for	O
the	O
iPhone	B-Device
,	O
had	O
its	O
first	O
pre-alpha	O
release	O
.	O
</s>
<s>
Two	O
new	O
Free	B-Application
Software	I-Application
Kolab	B-Language
sync	O
connectors	O
for	O
Android	B-Application
and	O
Outlook	O
were	O
announced	O
and	O
their	O
first	O
alpha	O
releases	O
published	O
.	O
</s>
<s>
Syncphony	O
was	O
released	O
,	O
which	O
extends	O
Kolab	B-Language
with	O
a	O
Funambol	O
connector	O
and	O
offers	O
Kolab	B-Language
functionality	O
as	O
a	O
web	O
service	O
.	O
</s>
<s>
SyncKolab	O
1.5	O
for	O
Thunderbird	B-Application
3	O
/	O
SeaMonkey	B-Language
2	O
(	O
optionally	O
with	O
Lightning	B-Language
1.0	O
beta	O
for	O
calendaring	O
and	O
tasks	O
)	O
was	O
released	O
.	O
</s>
<s>
Kolab	B-Language
2.2.4	O
was	O
released	O
as	O
a	O
maintenance	O
release	O
of	O
the	O
Kolab	B-Language
2.2	O
branch	O
.	O
</s>
<s>
Kontact	B-Language
Touch	O
was	O
released	O
,	O
offering	O
full	O
Kolab	B-Language
functionality	O
on	O
mobile	O
devices	O
,	O
such	O
as	O
smartphones	O
and	O
tablets	O
.	O
</s>
<s>
Kolab	B-Language
2.2.1	O
was	O
released	O
,	O
as	O
an	O
enhancement	O
and	O
maintenance	O
release	O
,	O
integrating	O
an	O
updated	O
web	B-Application
client	I-Application
(	O
Horde	B-Language
)	O
and	O
preliminary	O
SyncML	B-General_Concept
support	O
.	O
</s>
<s>
Kolab	B-Language
2.2.2	O
was	O
released	O
,	O
as	O
a	O
maintenance	O
release	O
of	O
the	O
Kolab	B-Language
2.2	O
branch	O
.	O
</s>
<s>
Kolab	B-Language
2.2.3	O
was	O
released	O
,	O
further	O
enhancing	O
functionality	O
,	O
stability	O
and	O
scalability	O
of	O
the	O
Kolab	B-Language
2.2	O
branch	O
.	O
</s>
<s>
SyncKolab	O
1.0	O
for	O
Thunderbird	B-Application
1.5	O
and	O
2.0	O
as	O
well	O
as	O
SeaMonkey	B-Language
1.0	O
and	O
1.1	O
(	O
optionally	O
with	O
Lightning	B-Language
0.9	O
for	O
calendaring	O
and	O
tasks	O
)	O
was	O
released	O
.	O
</s>
<s>
Kolab	B-Language
2.2	O
was	O
released	O
,	O
with	O
full	O
support	O
of	O
multiple	O
mail	O
domains	O
,	O
integrated	O
Horde	B-Language
web	O
front-end	O
,	O
updated	O
base	O
packages	O
(	O
OpenPKG	B-Application
,	O
OpenLDAP	B-Language
,	O
Cyrus	B-Protocol
IMAP	I-Protocol
,	O
Postfix	B-Application
,	O
Perl	B-Language
,	O
Apache	B-Application
,	O
PHP	B-Application
,	O
etc	O
.	O
</s>
<s>
)	O
,	O
easier	O
integration	O
in	O
operating	B-General_Concept
system	I-General_Concept
distributions	O
,	O
and	O
many	O
other	O
new	O
features	O
.	O
</s>
<s>
Kolab	B-Language
2.1	O
was	O
released	O
.	O
</s>
<s>
Kolab	B-Language
2.1	O
was	O
designed	O
with	O
many	O
significant	O
enhancements	O
over	O
2.0	O
.	O
</s>
<s>
KolabSyncML	O
(	O
"	O
Sync4j	O
Kolab	B-Language
Connector	O
/	O
SyncSource	O
"	O
)	O
,	O
a	O
Kolab	B-Language
Java	O
interface	O
and	O
Funambol	O
connector	O
,	O
had	O
its	O
first	O
alpha	O
release	O
.	O
</s>
<s>
Kolab	B-Language
2.0	O
was	O
released	O
.	O
</s>
<s>
The	O
SyncKolab	O
project	O
started	O
developing	O
a	O
Mozilla	B-Application
Thunderbird	I-Application
/	O
SeaMonkey	B-Language
and	O
Lightning	B-Language
connector	O
.	O
</s>
<s>
Aethera	O
became	O
a	O
Kolab	B-Language
1	O
groupware	B-Application
client	O
.	O
</s>
<s>
Citadel/UX	B-Protocol
learned	O
how	O
to	O
mimic	O
a	O
Kolab	B-Language
1	O
groupware	B-Application
server	B-Application
.	O
</s>
<s>
Kolab	B-Language
2	O
was	O
designed	O
as	O
a	O
general	O
overhaul	O
and	O
implemented	O
utilizing	O
the	O
versatile	O
and	O
extensible	O
Kolab	B-Language
Open	O
Format	O
to	O
store	O
groupware	B-Application
data	O
.	O
</s>
<s>
The	O
Kroupware	O
Client	O
matured	O
to	O
KDE	B-Language
Kontact	I-Language
.	O
</s>
<s>
KMail	O
and	O
the	O
KDE	B-Language
PIM	I-Language
software	I-Language
were	O
enhanced	O
,	O
creating	O
the	O
Kroupware	O
Client	O
.	O
</s>
<s>
Kolab	B-Language
1.0	O
was	O
released	O
.	O
</s>
<s>
Kolab	B-Language
1	O
/	O
Kroupware	O
was	O
designed	O
utilizing	O
iCal	O
and	O
vCard	O
formats	O
to	O
store	O
calendar	O
entries	O
,	O
contacts	O
,	O
notes	O
,	O
tasks	O
etc	O
.	O
</s>
<s>
in	O
Kolab	B-Language
's	O
IMAP	B-Protocol
directories	O
.	O
</s>
