<s>
HDWiki	B-Application
is	O
a	O
Chinese	O
wiki	B-Protocol
software	I-Protocol
developed	O
by	O
the	O
online	O
encyclopedia	O
Hudong	O
.	O
</s>
<s>
The	O
source	O
code	O
for	O
HDWiki	B-Application
is	O
free	O
for	O
anyone	O
to	O
download	O
without	O
registration	O
HDWiki	B-Application
is	O
free	O
for	O
non-commercial	O
use	O
,	O
while	O
commercial	O
use	O
requires	O
a	O
special	O
licensing	O
agreement	O
from	O
Hudong	O
.	O
</s>
<s>
Despite	O
the	O
name	O
"	O
kaiyuan	O
"	O
(	O
)	O
(	O
implying	O
"	O
open-source	B-Application
"	O
in	O
Chinese	O
)	O
in	O
the	O
URL	O
of	O
the	O
,	O
HDWiki	B-Application
is	O
not	O
open-source	B-Application
software	I-Application
.	O
</s>
