<s>
GoAgent	B-Operating_System
is	O
a	O
GNU	B-License
GPL	I-License
open-source	O
cross-platform	B-Operating_System
network	O
access	O
software	O
.	O
</s>
<s>
It	O
is	O
mainly	O
written	O
with	O
Python	B-Language
and	O
supports	O
Windows	O
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
and	O
most	O
Linux-based	B-Application
OS	O
like	O
Android	B-Application
and	O
OpenWrt	B-Application
.	O
</s>
<s>
It	O
uses	O
Google	B-Application
App	I-Application
Engine	I-Application
servers	O
to	O
provide	O
users	O
with	O
a	O
free	B-Application
proxy	I-Application
service	O
to	O
gain	O
access	O
to	O
blocked	O
information	O
.	O
</s>
<s>
It	O
is	O
normally	O
used	O
with	O
web	B-Application
browsers	I-Application
.	O
</s>
<s>
GoAgent	B-Operating_System
was	O
eventually	O
shut	O
down	O
at	O
the	O
request	O
of	O
Chinese	O
law	O
enforcement	O
.	O
</s>
<s>
A	O
project	O
called	O
XX-Net	O
claims	O
to	O
be	O
"	O
A	O
Reborn	O
GoAgent	B-Operating_System
"	O
,	O
with	O
its	O
first	O
release	O
in	O
January	O
2015	O
.	O
</s>
