<s>
Helium	O
V	O
is	O
an	O
open-source	B-Application
ERP	O
suite	O
.	O
</s>
<s>
The	O
software	O
is	O
available	O
as	O
open-source	B-Application
since	O
October	O
2010	O
.	O
</s>
<s>
It	O
is	O
an	O
integral	O
part	O
of	O
the	O
Lisog	O
open-source	B-Application
stack	O
initiative	O
.	O
</s>
<s>
The	O
system	O
is	O
based	O
on	O
a	O
J2EE	B-Language
architecture	O
.	O
</s>
<s>
Therefore	O
,	O
it	O
is	O
written	O
in	O
Java	B-Language
,	O
using	O
JBoss	B-Language
as	I-Language
applications	O
server	O
and	O
Postgres	B-Application
as	O
default	O
database	O
.	O
</s>
<s>
MS-SQL	B-Application
or	O
Oracle	B-General_Concept
are	O
supported	O
on	O
special	O
request	O
.	O
</s>
<s>
The	O
GUI	B-Application
is	O
written	O
with	O
the	O
Java	B-Language
SWING	I-Language
toolkit	O
.	O
</s>
<s>
As	O
a	O
result	O
,	O
Helium	O
V	O
runs	O
on	O
any	O
platform	O
which	O
supports	O
Java	B-Language
(	O
Linux	B-Application
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
Windows	B-Application
)	O
.	O
</s>
<s>
The	O
time	O
tracking	O
functionality	O
can	O
already	O
be	O
accessed	O
via	O
an	O
API	B-General_Concept
;	O
more	O
APIs	B-General_Concept
are	O
planned	O
and	O
in	O
development	O
.	O
</s>
<s>
The	O
business	O
model	O
of	O
Helium	O
V	O
is	O
based	O
on	O
the	O
dual	B-License
licensing	I-License
model	I-License
.	O
</s>
<s>
The	O
open-source	B-Application
edition	O
comes	O
with	O
no	O
warranty	O
or	O
professional	O
support	O
;	O
such	O
services	O
are	O
provided	O
by	O
Helium	O
V	O
IT	O
Systems	O
GmbH	O
(	O
Austria	O
)	O
for	O
the	O
enterprise	O
edition	O
.	O
</s>
<s>
The	O
contributor	O
has	O
to	O
sign	O
a	O
contribution	O
agreement	O
or	O
provide	O
the	O
source	O
code	O
under	O
a	O
liberal	O
open	O
source	O
license	O
like	O
the	B-License
MIT	I-License
license	I-License
.	O
</s>
<s>
official	O
integration	O
partner	O
is	O
agorum	O
with	O
the	O
DMS	O
system	O
agorum	B-Protocol
core	I-Protocol
.	O
</s>
