<s>
The	O
Gunicorn	B-Application
"	O
Green	O
Unicorn	B-Application
"	O
(	O
pronounced	O
jee-unicorn	O
or	O
gun-i-corn	O
)	O
is	O
a	O
Python	B-Language
Web	B-Language
Server	I-Language
Gateway	I-Language
Interface	I-Language
(	O
WSGI	B-Language
)	O
HTTP	B-Application
server	I-Application
.	O
</s>
<s>
It	O
is	O
a	O
pre-fork	O
worker	O
model	O
,	O
ported	O
from	O
Ruby	B-Language
's	I-Language
Unicorn	B-Application
project	O
.	O
</s>
<s>
The	O
Gunicorn	B-Application
server	O
is	O
broadly	O
compatible	O
with	O
a	O
number	O
of	O
web	B-Application
frameworks	I-Application
,	O
simply	O
implemented	O
,	O
light	O
on	O
server	O
resources	O
and	O
fairly	O
fast	O
.	O
</s>
<s>
It	O
is	O
often	O
paired	O
with	O
NGINX	B-Operating_System
,	O
as	O
the	O
two	O
have	O
complementary	O
features	O
.	O
</s>
