<s>
OpenProj	B-Language
was	O
an	O
open-source	B-Application
project	B-Application
management	I-Application
software	I-Application
application	O
.	O
</s>
<s>
Serena	O
Software	O
asked	O
users	O
to	O
use	O
ProjectLibre	B-Language
instead	O
.	O
</s>
<s>
Marc	O
O'Brien	O
,	O
Howard	O
Katz	O
,	O
and	O
Laurent	O
Chretienneau	O
developed	O
OpenProj	B-Language
at	O
Projity	O
in	O
2007	O
.	O
</s>
<s>
In	O
November	O
2008	O
,	O
support	O
and	O
development	O
of	O
OpenProj	B-Language
appeared	O
suspended	O
.	O
</s>
<s>
There	O
were	O
a	O
few	O
later	O
commits	O
to	O
the	O
CVS	B-Application
with	O
regressions	O
,	O
but	O
no	O
improvements	O
.	O
</s>
<s>
It	O
is	O
no	O
longer	O
compatible	O
with	O
Microsoft	B-Operating_System
Project	I-Operating_System
.	O
</s>
<s>
Serena/Projity	O
also	O
developed	O
a	O
software	B-Architecture
as	I-Architecture
a	I-Architecture
Service	I-Architecture
(	O
SaaS	B-Architecture
)	O
project	O
software	O
,	O
Projects	O
On	O
Demand	O
.	O
</s>
<s>
In	O
2012	O
,	O
the	O
founders	O
of	O
OpenProj	B-Language
announced	O
that	O
they	O
had	O
forked	O
the	O
OpenProj	B-Language
codebase	O
and	O
started	O
a	O
different	O
implementation	O
.	O
</s>
<s>
Serena	O
announced	O
and	O
posted	O
online	O
to	O
avoid	O
downloading	O
OpenProj	B-Language
and	O
instead	O
download	O
ProjectLibre	B-Language
.	O
</s>
<s>
The	O
initial	O
release	O
of	O
ProjectLibre	B-Language
occurred	O
in	O
August	O
2012	O
.	O
</s>
<s>
ProjectLibre	B-Language
has	O
been	O
completely	O
rewritten	O
and	O
thus	O
technically	O
ceased	O
to	O
be	O
a	O
fork	O
.	O
</s>
<s>
Three	O
months	O
after	O
the	O
beta	O
version	O
release	O
,	O
on	O
SourceForge	B-Application
an	O
average	O
of	O
60,000	O
copies	O
a	O
month	O
were	O
downloaded	O
.	O
</s>
<s>
With	O
a	O
SourceForge	B-Application
activity	O
percentile	O
of	O
99.964	O
,	O
at	O
number	O
15	O
it	O
was	O
listed	O
just	O
ahead	O
of	O
the	O
popular	O
messaging	O
application	O
Pidgin	B-Protocol
.	O
</s>
<s>
In	O
May	O
2008	O
the	O
total	O
number	O
of	O
downloads	O
on	O
SourceForge	B-Application
reached	O
500,000	O
.	O
</s>
<s>
OpenProj	B-Language
has	O
not	O
been	O
supported	O
for	O
over	O
10	O
years	O
.	O
</s>
<s>
Serena	O
software	O
previously	O
issued	O
a	O
warning	O
and	O
asked	O
users	O
to	O
use	O
ProjectLibre	B-Language
.	O
</s>
<s>
Compared	O
to	O
Microsoft	B-Operating_System
Project	I-Operating_System
,	O
which	O
it	O
closely	O
emulates	O
,	O
OpenProj	B-Language
has	O
a	O
similar	O
user	O
interface	O
(	O
UI	O
)	O
,	O
and	O
a	O
similar	O
approach	O
to	O
construction	O
of	O
a	O
project	O
plan	O
:	O
create	O
an	O
indented	O
task	O
list	O
or	O
work	O
breakdown	O
structure	O
(	O
WBS	O
)	O
,	O
set	O
durations	O
,	O
create	O
links	O
(	O
either	O
by	O
(	O
a	O
)	O
mouse	O
drag	O
,	O
(	O
b	O
)	O
selection	O
and	O
then	O
button-down	O
,	O
or	O
(	O
c	O
)	O
manually	O
type	O
in	O
the	O
"	O
predecessor	O
"	O
column	O
)	O
,	O
assign	O
resources	O
.	O
</s>
<s>
The	O
columns	O
(	O
fields	O
)	O
are	O
the	O
same	O
as	O
for	O
Microsoft	B-Operating_System
Project	I-Operating_System
.	O
</s>
<s>
However	O
,	O
there	O
are	O
small	O
differences	O
in	O
the	O
UI	O
(	O
comments	O
apply	O
to	O
version	O
1.4	O
)	O
,	O
which	O
take	O
some	O
adaptation	O
for	O
those	O
familiar	O
with	O
Microsoft	B-Operating_System
Project	I-Operating_System
,	O
i.e.	O
</s>
<s>
OpenProj	B-Language
ca	O
n't	O
link	O
upward	O
with	O
method	O
(	O
c	O
)	O
,	O
inserting	O
tasks	O
is	O
more	O
difficult	O
than	O
in	O
Microsoft	B-Operating_System
Project	I-Operating_System
,	O
and	O
OpenProj	B-Language
ca	O
n't	O
create	O
resources	O
on	O
the	O
fly	O
(	O
have	O
to	O
create	O
them	O
first	O
in	O
the	O
resource	O
sheet	O
)	O
.	O
</s>
<s>
There	O
are	O
also	O
several	O
more	O
serious	O
limitations	O
with	O
OpenProj	B-Language
,	O
the	O
chief	O
of	O
these	O
being	O
the	O
unavailability	O
of	O
more	O
detailed	O
views	O
and	O
reports	O
typical	O
of	O
Microsoft	B-Operating_System
Project	I-Operating_System
.	O
</s>
<s>
Some	O
features	O
of	O
OpenProj	B-Language
are	O
limited	O
to	O
users	O
acquiring	O
a	O
purchased	O
license	O
;	O
for	O
those	O
users	O
using	O
OpenProj	B-Language
for	O
free	O
,	O
a	O
slightly	O
limited	O
feature	O
set	O
is	O
provided	O
.	O
</s>
<s>
For	O
example	O
,	O
OpenProj( 	O
v1.4	O
)	O
does	O
not	O
allow	O
the	O
in-house	O
exporting	O
of	O
PDF	O
output	O
,	O
though	O
the	O
usefulness	O
of	O
such	O
a	O
feature	O
is	O
questionable	O
.	O
</s>
<s>
The	O
original	O
founders	O
of	O
OpenProj	B-Language
started	O
to	O
develop	O
a	O
complementary	O
Cloud	O
version	O
called	O
ProjectLibre	B-Language
in	O
2012	O
,	O
comparable	O
to	O
Microsoft	B-Operating_System
Project	I-Operating_System
Server	O
for	O
Microsoft	B-Operating_System
Project	I-Operating_System
.	O
</s>
<s>
During	O
development	O
they	O
realized	O
,	O
that	O
the	O
fact	O
that	O
OpenProj	B-Language
had	O
not	O
been	O
updated	O
anymore	O
by	O
Serena	O
Software	O
for	O
12	O
years	O
would	O
become	O
problematic	O
to	O
their	O
goal	O
,	O
so	O
they	O
needed	O
to	O
rewrite	O
the	O
program	O
.	O
</s>
