<s>
Virgo	B-Language
is	O
an	O
open	O
source	O
,	O
OSGi-based	O
,	O
Java	B-Device
application	B-Application
server	I-Application
.	O
</s>
<s>
Virgo	B-Language
supports	O
the	O
deployment	O
of	O
OSGi	B-Application
bundles	O
and	O
unmodified	O
Java	B-Device
web	B-Language
applications	I-Language
as	O
well	O
as	O
OSGi-influenced	O
Shared	O
Libraries	O
WARs	O
and	O
Shared	O
Services	O
WARs	O
.	O
</s>
<s>
Virgo	B-Language
is	O
based	O
on	O
the	O
Equinox	B-Language
OSGi	I-Language
implementation	O
,	O
part	O
of	O
the	O
Eclipse	B-Application
project	O
.	O
</s>
<s>
A	O
few	O
different	O
distributions	O
of	O
Virgo	B-Language
exist	O
:	O
Virgo	B-Language
Nano	O
,	O
Virgo	B-Language
Kernel	O
,	O
Virgo	B-Language
Server	O
for	O
Apache	B-Language
Tomcat	I-Language
(	O
embedding	O
the	O
Apache	B-Language
Tomcat	I-Language
servlet	O
container	O
)	O
and	O
Virgo	B-Language
Jetty	B-Language
Server	O
(	O
embedding	O
the	O
Eclipse	B-Language
Jetty	I-Language
servlet	O
container	O
)	O
.	O
</s>
<s>
Virgo	B-Language
Server	O
for	O
Apache	B-Language
Tomcat	I-Language
is	O
the	O
primary	O
distribution	O
for	O
OSGi	B-Application
development	O
.	O
</s>
<s>
Virgo	B-Language
uses	O
Spring	B-Application
Framework	I-Application
which	O
is	O
embedded	O
and	O
made	O
available	O
as	O
a	O
run-time	O
dependency	O
to	O
deployed	O
applications	O
.	O
</s>
<s>
Virgo	B-Language
is	O
licensed	O
using	O
the	O
Eclipse	B-License
Public	I-License
License	I-License
.	O
</s>
<s>
Virgo	B-Language
was	O
originally	O
developed	O
as	O
SpringSource	B-Language
dm	I-Language
Server	I-Language
by	O
SpringSource	B-Application
and	O
is	O
currently	O
maintained	O
by	O
the	B-Application
Eclipse	I-Application
Foundation	I-Application
.	O
</s>
<s>
SpringSource	B-Application
is	O
now	O
a	O
division	O
of	O
VMware	O
.	O
</s>
<s>
The	O
SpringSource	B-Language
dm	I-Language
Server	I-Language
was	O
originally	O
announced	O
as	O
the	O
SpringSource	B-Application
Application	O
Platform	O
on	O
April	O
30	O
,	O
2008	O
.	O
</s>
<s>
Version	O
1.0	O
of	O
the	O
SpringSource	B-Language
dm	I-Language
Server	I-Language
was	O
released	O
September	O
30	O
,	O
2008	O
.	O
</s>
<s>
SpringSource	B-Application
donated	O
dm	O
Server	O
to	O
Eclipse	B-Application
as	O
the	O
later	O
in	O
2010	O
.	O
</s>
<s>
In	O
2013	O
SpringSource	B-Application
contributions	O
to	O
Eclipse	B-Language
Virgo	I-Language
came	O
to	O
an	O
end	O
and	O
the	O
team	O
members	O
got	O
reallocated	O
to	O
different	O
projects	O
.	O
</s>
<s>
In	O
absence	O
of	O
a	O
lead	O
,	O
the	O
Virgo	B-Language
project	O
was	O
about	O
to	O
be	O
archived	O
until	O
stepped	O
in	O
as	O
the	O
new	O
project	O
lead	O
.	O
</s>
<s>
Eclipse	B-Language
Virgo	I-Language
is	O
supported	O
by	O
a	O
set	O
of	O
Eclipse	B-Application
plug-ins	O
called	O
Virgo	B-Language
Tools	O
which	O
allow	O
using	O
the	O
Eclipse	B-Application
IDE	I-Application
for	O
the	O
development	O
and	O
testing	O
of	O
OSGi	B-Application
applications	O
against	O
an	O
embedded	O
Virgo	B-Language
test	O
environment	O
.	O
</s>
