<s>
OpenCms	B-Language
is	O
an	O
open-source	B-Application
content	B-Protocol
management	I-Protocol
system	I-Protocol
written	O
in	O
Java	B-Device
.	O
</s>
<s>
It	O
is	O
distributed	O
by	O
Alkacon	B-Language
Software	I-Language
under	O
the	O
LGPL	B-Application
license	I-Application
.	O
</s>
<s>
OpenCms	B-Language
requires	O
a	O
JSP	B-Language
Servlet	B-Application
container	O
such	O
as	O
Apache	B-Language
Tomcat	I-Language
.	O
</s>
<s>
It	O
is	O
a	O
CMS	O
application	O
with	O
a	O
browser-based	O
work	O
environment	O
,	O
asset	O
management	O
,	O
user	O
management	O
,	O
workflow	B-Operating_System
management	O
,	O
a	O
WYSIWYG	B-Application
editor	I-Application
,	O
internationalization	O
support	O
,	O
content	O
versioning	O
,	O
and	O
many	O
more	O
features	O
including	O
proxying	O
of	O
requests	O
to	O
another	O
endpoint	O
.	O
</s>
<s>
OpenCms	B-Language
was	O
launched	O
in	O
1999	O
,	O
based	O
on	O
its	O
closed-source	O
predecessor	O
MhtCms	O
.	O
</s>
<s>
OpenCms	B-Language
is	O
used	O
or	O
has	O
been	O
used	O
by	O
large	O
organizations	O
such	O
as	O
WIPO	O
,	O
the	O
LGT	O
Group	O
,	O
the	O
University	O
of	O
Stuttgart	O
,	O
the	O
Archdiocese	O
of	O
Cologne	O
,	O
or	O
the	O
Chicago	O
Mercantile	O
Exchange	O
.	O
</s>
<s>
The	O
OpenCms	B-Language
user	O
interface	O
runs	O
in	O
a	O
web	O
browser	O
,	O
placing	O
control	O
elements	O
directly	O
on	O
the	O
web	O
page	O
that	O
is	O
edited	O
.	O
</s>
<s>
Since	O
version	O
9.5	O
OpenCms	B-Language
offers	O
layout	O
and	O
template	O
creation	O
without	O
coding	O
.	O
</s>
<s>
OpenCms	B-Language
runs	O
on	O
the	O
Java	B-Device
platform	I-Device
as	O
a	O
servlet	B-Application
.	O
</s>
<s>
The	O
user	O
interface	O
has	O
been	O
developed	O
using	O
Vaadin	B-Language
and	O
the	O
Google	B-Language
Web	I-Language
Toolkit	I-Language
.	O
</s>
<s>
The	O
OpenCms	B-Language
content	O
repository	O
is	O
stored	O
in	O
a	O
database	O
,	O
with	O
MariaDB	B-Application
,	O
MySQL	B-Application
,	O
PostgreSQL	B-Application
,	O
HSQLDB	B-Application
,	O
Oracle	B-General_Concept
,	O
MSSQL	B-Application
and	O
IBM	B-Application
Db2	I-Application
being	O
natively	O
supported	O
.	O
</s>
<s>
It	O
can	O
be	O
accessed	O
with	O
CMIS	B-Protocol
,	O
WebDAV	B-Protocol
as	O
an	O
SMB	B-Operating_System
network	I-Operating_System
share	I-Operating_System
or	O
through	O
the	O
native	O
web	O
interface	O
.	O
</s>
<s>
Text	O
content	O
in	O
OpenCms	B-Language
is	O
defined	O
using	O
an	O
XML	B-Language
schema	I-Language
.	O
</s>
<s>
The	O
user	O
interface	O
for	O
the	O
content	O
managers	O
creates	O
XML	B-Protocol
files	O
based	O
on	O
these	O
schemas	O
,	O
which	O
are	O
stored	O
in	O
the	O
database	O
repository	O
.	O
</s>
<s>
A	O
template	O
system	O
based	O
on	O
JavaServer	B-Language
Pages	I-Language
then	O
creates	O
web	O
pages	O
from	O
the	O
XML	B-Protocol
.	O
</s>
<s>
OpenCms	B-Language
has	O
been	O
under	O
continuous	O
development	O
as	O
an	O
open	O
source	O
project	O
since	O
the	O
year	O
2000	O
.	O
</s>
<s>
The	O
revision	B-Protocol
control	I-Protocol
of	O
the	O
OpenCms	B-Language
source	O
code	O
is	O
done	O
using	O
Git	B-Application
on	O
GitHub	B-Application
.	O
</s>
<s>
The	O
following	O
table	O
provides	O
an	O
overview	O
of	O
all	O
major	O
OpenCms	B-Language
releases	O
.	O
</s>
<s>
+	O
Overview	O
of	O
major	O
OpenCms	B-Language
releases	O
Version	O
Release	O
date	O
Important	O
new	O
features	O
2	O
Feb	O
2000	O
Online	O
/	O
offline	O
workflow	B-Operating_System
,	O
WYSIWYG	B-Application
editor	I-Application
for	O
web	O
pages	O
,	O
explorer	O
,	O
user	O
management	O
5	O
May	O
2002	O
Page	O
templates	O
in	O
JSP	B-Language
with	O
own	O
<cms:>	O
tag	O
library	O
,	O
extended	O
caching	B-Protocol
and	O
static	O
export	O
of	O
pages	O
11	O
Dec	O
2003	O
Full	O
text	O
search	O
using	O
Lucene	B-Language
,	O
direct	O
edit	O
of	O
web	O
pages	O
30	O
Jun	O
2005	O
Updated	O
user	O
interface	O
,	O
storage	O
of	O
content	O
in	O
XML	B-Protocol
files	O
based	O
on	O
XSD	O
,	O
management	O
of	O
multiple	O
sites	O
31	O
Mar	O
2006	O
Integrated	O
image	B-Algorithm
scaling	I-Algorithm
,	O
visual	O
comparison	O
of	O
document	O
versions	O
04	O
Jul	O
2007	O
Support	O
for	O
WebDAV	B-Protocol
,	O
automatic	O
link	O
management	O
,	O
category	O
tags	O
for	O
all	O
content	O
files	O
15	O
Jun	O
2009	O
Content	O
galleries	O
,	O
extended	O
support	O
for	O
creating	O
JSP	B-Language
using	O
expression	O
language	O
8	O
May	O
2011	O
Enhanced	O
user	O
interface	O
allowing	O
drag	O
and	O
drop	O
of	O
elements	O
in	O
the	O
page	O
and	O
sitemap	O
editor	O
,	O
support	O
for	O
mobile	O
devices	O
24	O
Sep	O
2012	O
"	O
Inline	O
"	O
editing	O
of	O
web	O
pages	O
,	O
integration	O
of	O
Apache	B-Language
Solr	I-Language
,	O
CMIS	B-Protocol
support	O
,	O
SEO	O
features	O
08	O
Nov	O
2013	O
Preview	O
for	O
mobile	O
devices	O
,	O
accessing	O
the	O
content	O
repository	O
using	O
a	O
network	B-Operating_System
share	I-Operating_System
,	O
visual	O
site	O
management	O
interface	O
,	O
demo	O
template	O
based	O
on	O
Bootstrap	B-Application
03	O
Nov	O
2014	O
Nested	O
containers	O
allow	O
template	O
and	O
layout	O
creation	O
with	O
drag	O
and	O
drop	O
,	O
user	O
generated	O
content	O
,	O
PDF	B-Application
creation	O
,	O
extended	O
editor	O
roles	O
,	O
spell	O
checking	O
in	O
the	O
WYSIWYG	B-Application
editor	I-Application
,	O
visual	O
management	O
of	O
galleries	O
,	O
categories	O
and	O
templates	O
23	O
Mar	O
2016	O
Modernized	O
administration	O
workplace	O
,	O
added	O
Apollo	O
Template	O
,	O
new	O
file	O
explorer	O
,	O
Identicons	B-Error_Name
for	O
users	O
,	O
direct	O
commit	O
of	O
changed	O
templates	O
to	O
Git	B-Application
,	O
drag	O
and	O
drop	O
of	O
images	O
,	O
enhanced	O
Solr	B-Language
based	O
content	O
search	O
15	O
Feb	O
2017	O
Improved	O
localization	O
tools	O
for	O
side-by-side	O
comparison	O
of	O
sitemaps	O
,	O
support	O
for	O
generating	O
pages	O
as	O
JSON	O
fragments	O
,	O
asset	O
connection	O
for	O
external	O
data	O
sources	O
,	O
font	O
icons	O
in	O
the	O
user	O
interface	O
30	O
Apr	O
2019	O
Redesigned	O
user	O
interface	O
,	O
meta	O
mappings	O
for	O
SEO	O
,	O
new	O
Mercury	O
Template	O
,	O
default	O
content	O
list	O
generation	O
with	O
predefined	O
Solr	B-Language
searches	O
,	O
bookmarks	O
in	O
the	O
explorer	O
,	O
new	O
apps	O
for	O
resource	O
type	O
and	O
sessions	O
management	O
12	O
Oct	O
2021	O
Headless	O
JSON	O
API	O
for	O
REST	O
content	O
access	O
,	O
greatly	O
improved	O
Mercury	O
Template	O
,	O
template	O
variants	O
,	O
updated	O
WebDAV	B-Protocol
implementation	O
.	O
</s>
<s>
11	O
Oct	O
2022	O
XML	B-Language
schema	I-Language
versioning	O
with	O
automatic	O
content	O
rewrite	O
,	O
two	O
factor	O
authentication	O
(	O
2FA	O
)	O
in	O
the	O
user	O
login	O
,	O
source	O
code	O
editor	O
widget	O
for	O
multi-line	O
text	O
inputs	O
,	O
Mercury	O
template	O
updated	O
to	O
Bootstrap	B-Application
5.2	O
.	O
</s>
