<s>
Refinery	B-Protocol
CMS	I-Protocol
,	O
often	O
shortened	O
to	O
Refinery	O
,	O
is	O
a	O
free	B-License
and	I-License
open-source	I-License
content	B-Protocol
management	I-Protocol
system	I-Protocol
written	O
in	O
Ruby	B-Language
as	O
a	O
Ruby	B-Application
on	I-Application
Rails	I-Application
web	O
application	O
with	O
jQuery	B-Language
used	O
as	O
the	O
JavaScript	B-Language
library	I-Language
.	O
</s>
<s>
Refinery	B-Protocol
CMS	I-Protocol
supports	O
Rails	O
3.2	O
and	O
Rails	O
4.2	O
and	O
Rails	O
5.1	O
.	O
</s>
<s>
Refinery	O
differs	O
from	O
similar	O
products	O
by	O
targeting	O
a	O
non-technical	O
end	O
user	O
and	O
allowing	O
the	O
developer	O
to	O
create	O
a	O
flexible	O
website	O
rapidly	O
by	O
staying	O
as	O
close	O
as	O
possible	O
to	O
the	O
conventions	O
of	O
the	O
Ruby	B-Application
on	I-Application
Rails	I-Application
framework	O
.	O
</s>
<s>
Refinery	O
started	O
as	O
a	O
closed	O
sourced	O
project	O
written	O
by	O
David	O
Jones	O
at	O
in	O
2004	O
and	O
went	O
on	O
to	O
be	O
released	O
as	O
open	O
source	O
software	O
under	O
the	B-License
MIT	I-License
License	I-License
on	O
28	O
May	O
2009	O
.	O
</s>
<s>
Since	O
then	O
it	O
has	O
,	O
under	O
the	O
direction	O
of	O
Philip	O
Arndt	O
and	O
Uģis	O
Ozols	O
,	O
gained	O
popularity	O
and	O
is	O
now	O
the	O
most	O
popular	O
Ruby	B-Application
on	I-Application
Rails	I-Application
CMS	O
with	O
more	O
than	O
384	O
contributors	O
and	O
an	O
active	O
community	O
extending	O
the	O
application	O
with	O
engines	O
.	O
</s>
