<s>
OSDN	B-Protocol
(	O
formerly	O
SourceForge.JP	B-Protocol
)	O
is	O
a	O
web-based	O
collaborative	B-Application
development	I-Application
environment	I-Application
for	O
open-source	B-Application
software	I-Application
projects	O
.	O
</s>
<s>
It	O
provides	O
source	B-General_Concept
code	I-General_Concept
repositories	I-General_Concept
and	O
web	O
hosting	O
services	O
.	O
</s>
<s>
With	O
features	O
similar	O
to	O
SourceForge	B-Application
,	O
it	O
acts	O
as	O
a	O
centralized	O
location	O
for	O
open-source	B-Application
software	I-Application
developers	O
.	O
</s>
<s>
The	O
OSDN	B-Protocol
repository	B-General_Concept
hosts	O
more	O
than	O
5,000	O
projects	O
and	O
more	O
than	O
50,000	O
registered	O
users	O
.	O
</s>
<s>
Registered	O
software	O
used	O
to	O
be	O
mostly	O
specialized	O
for	O
Japanese	O
use	O
,	O
such	O
as	O
input	B-General_Concept
method	I-General_Concept
systems	O
,	O
fonts	O
,	O
and	O
so	O
on	O
,	O
but	O
there	O
are	O
popular	O
applications	O
like	O
Cabos	O
,	O
TeraTerm	B-Protocol
,	O
and	O
Shiira	B-Operating_System
.	O
</s>
<s>
Also	O
,	O
since	O
the	O
renewal	O
of	O
the	O
brand	O
name	O
to	O
OSDN	B-Protocol
,	O
more	O
and	O
more	O
projects	O
that	O
used	O
to	O
be	O
developed	O
on	O
SourceForge	B-Application
are	O
moving	O
to	O
OSDN	B-Protocol
,	O
such	O
as	O
MinGW	B-Application
,	O
TortoiseSVN	B-Protocol
,	O
Android-x86	B-Application
,	O
and	O
Clonezilla	B-Language
.	O
</s>
<s>
SourceForge.JP	B-Protocol
was	O
started	O
by	O
VA	O
Linux	O
Systems	O
(	O
latterly	O
SourceForge	B-Application
,	O
Inc	O
.	O
)	O
and	O
its	O
subsidiary	O
VA	O
Linux	O
Systems	O
Japan	O
on	O
April	O
18	O
,	O
2002	O
.	O
</s>
<s>
OSDN	B-Protocol
K.K.	O
</s>
<s>
As	O
of	O
June	O
2009	O
,	O
OSDN	B-Protocol
K.K.	O
</s>
<s>
was	O
operating	O
the	O
SourceForge.JP	B-Protocol
.	O
</s>
<s>
On	O
May	O
11	O
,	O
2015	O
,	O
the	O
site	O
was	O
renamed	O
from	O
"	O
SourceForge.JP	B-Protocol
"	O
to	O
"	O
OSDN	B-Protocol
"	O
.	O
</s>
<s>
In	O
the	O
same	O
month	O
that	O
OSDN	B-Protocol
changed	O
the	O
site	O
name	O
,	O
SourceForge	B-Application
caused	O
two	O
controversies	O
:	O
DevShare	O
adware	O
and	O
project	O
hijacking	O
.	O
</s>
<s>
In	O
contrast	O
,	O
OSDN	B-Protocol
totally	O
refuses	O
adware	O
bundling	O
and	O
project	O
hijacking	O
.	O
</s>
<s>
For	O
that	O
reason	O
,	O
the	O
changing	O
of	O
the	O
site	O
name	O
to	O
OSDN	B-Protocol
is	O
perceived	O
to	O
have	O
been	O
done	O
based	O
on	O
criticism	O
of	O
and	O
adverse	O
reactions	O
to	O
SourceForge	B-Application
's	O
monetization	O
.	O
</s>
<s>
OSDN	B-Protocol
provides	O
revision	O
control	O
systems	O
such	O
as	O
CVS	B-Application
,	O
SVN	B-Application
,	O
Git	B-Application
,	O
Mercurial	B-Protocol
,	O
and	O
every	O
feature	O
in	O
SourceForge	B-Application
.	O
</s>
<s>
What	O
makes	O
OSDN	B-Protocol
different	O
from	O
SourceForge	B-Application
is	O
the	O
bug	B-Application
tracking	I-Application
system	I-Application
and	O
the	O
wiki	B-Protocol
system	O
.	O
</s>
<s>
On	O
OSDN	B-Protocol
,	O
these	O
are	O
very	O
Trac-like	O
systems	O
.	O
</s>
