<s>
Tinc	B-Protocol
is	O
an	O
open-source	B-Application
,	O
self-routing	O
,	O
mesh	B-Architecture
networking	I-Architecture
protocol	O
and	O
software	O
implementation	O
used	O
for	O
compressed	B-General_Concept
and	O
encrypted	O
virtual	B-Application
private	I-Application
networks	I-Application
.	O
</s>
<s>
It	O
was	O
started	O
in	O
1998	O
by	O
Guus	O
Sliepen	O
,	O
Ivo	O
Timmermans	O
,	O
and	O
Wessel	O
Dankers	O
,	O
and	O
released	O
as	O
a	O
GPL-licensed	O
project	O
.	O
</s>
<s>
Tinc	B-Protocol
is	O
available	O
on	O
Linux	B-Application
,	O
FreeBSD	B-Operating_System
,	O
OpenBSD	B-Operating_System
,	O
NetBSD	B-Device
,	O
DragonFly	B-Application
BSD	I-Application
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
Microsoft	B-Application
Windows	I-Application
,	O
Solaris	B-Application
,	O
iOS	B-Application
(	O
jailbroken	O
only	O
)	O
,	O
Android	B-Application
with	O
full	O
support	O
for	O
IPv6	B-Protocol
.	O
</s>
<s>
The	O
authors	O
of	O
Tinc	B-Protocol
have	O
goals	O
of	O
providing	O
a	O
platform	O
that	O
is	O
secure	O
,	O
stable	O
,	O
reliable	O
,	O
scalable	O
,	O
easily	O
configurable	O
,	O
and	O
flexible	O
.	O
</s>
<s>
Tinc	B-Protocol
uses	O
OpenSSL	B-Language
or	O
LibreSSL	B-Language
as	O
the	O
encryption	O
library	O
and	O
gives	O
the	O
options	O
of	O
compressing	O
communications	O
with	O
zlib	B-Language
for	O
"	O
best	O
compression	O
"	O
or	O
LZO	B-Language
for	O
"	O
fast	O
compression	O
"	O
.	O
</s>
<s>
Freifunk	O
has	O
tinc	B-Protocol
enabled	O
in	O
their	O
routers	O
as	O
of	O
October	O
2006	O
.	O
</s>
<s>
OpenWrt	B-Application
has	O
an	O
installable	O
package	O
for	O
tinc	B-Protocol
.	O
</s>
<s>
pfSense	B-Protocol
has	O
an	O
installable	O
package	O
in	O
the	O
2.3	O
release	O
.	O
</s>
<s>
Tomato	B-Protocol
variants	O
Shibby	O
and	O
FreshTomato	B-Protocol
include	O
Tinc	B-Protocol
support	O
.	O
</s>
<s>
NYC	O
Mesh	O
uses	O
tinc	B-Protocol
to	O
connect	O
parts	O
of	O
the	O
mesh	O
over	O
the	O
public	O
internet	O
that	O
would	O
be	O
otherwise	O
out	O
of	O
range	O
.	O
</s>
