<s>
QVCS	B-Protocol
(	O
Quma	O
Version	B-Architecture
Control	I-Architecture
System	I-Architecture
)	O
is	O
a	O
family	O
of	O
version	B-Architecture
control	I-Architecture
system	I-Architecture
products	O
historically	O
published	O
by	O
Quma	O
Software	O
,	O
Inc	O
.	O
</s>
<s>
QVCS	B-Protocol
was	O
first	O
published	O
in	O
1991	O
as	O
a	O
set	O
of	O
command	O
line	O
utilities	O
for	O
the	O
Amiga	B-Device
.	O
</s>
<s>
Quma	O
ported	O
that	O
original	O
Amiga	B-Device
product	O
to	O
the	O
Microsoft	B-Application
Windows	I-Application
platform	O
in	O
1996	O
.	O
</s>
<s>
In	O
2000	O
,	O
QVCS-Pro	O
was	O
introduced	O
with	O
additional	O
features	O
,	O
including	O
support	O
for	O
MSSCCI	B-Application
compliant	O
Source	B-Application
Control	I-Application
Plug-in	I-Application
API	I-Application
integrated	B-Application
development	I-Application
environments	I-Application
.	O
</s>
<s>
In	O
2004	O
,	O
the	O
cross-platform	B-Operating_System
QVCS-Enterprise	O
product	O
was	O
introduced	O
.	O
</s>
<s>
QVCS	B-Protocol
and	O
QVCS-Pro	O
are	O
written	O
in	O
C++	B-Language
.	O
</s>
<s>
QVCS-Enterprise	O
is	O
written	O
in	O
Java	B-Language
.	O
</s>
<s>
On	O
January	O
1	O
,	O
2012	O
,	O
QVCS-Pro	O
and	O
QVCS	B-Protocol
were	O
made	O
freeware	O
.	O
</s>
<s>
QVCS-Enterprise	O
followed	O
suit	O
on	O
June	O
16	O
,	O
2012	O
,	O
and	O
then	O
was	O
open	O
sourced	O
under	O
the	O
Apache	B-Application
2.0	I-Application
License	I-Application
on	O
March	O
2	O
,	O
2014	O
.	O
</s>
<s>
The	O
contents	O
of	O
the	O
Web	O
site	O
when	O
it	O
was	O
operated	O
by	O
the	O
author	O
of	O
QVCS	B-Protocol
is	O
available	O
on	O
the	O
Wayback	O
Machine	O
.	O
</s>
<s>
QVCS	B-Protocol
and	O
QVCS-Pro	O
target	O
smaller	O
Windows	B-Application
only	O
development	O
teams	O
.	O
</s>
<s>
QVCS-Enterprise	O
is	O
a	O
client	B-Operating_System
–	I-Operating_System
server	I-Operating_System
application	O
,	O
is	O
cross-platform	B-Operating_System
,	O
and	O
is	O
designed	O
for	O
use	O
by	O
distributed	O
development	O
teams	O
.	O
</s>
