<s>
SubEthaEdit	B-Operating_System
is	O
a	O
collaborative	B-Application
real-time	I-Application
editor	I-Application
designed	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
.	O
</s>
<s>
The	O
name	O
comes	O
from	O
the	O
Sub-Etha	O
communication	O
network	O
in	O
The	B-Application
Hitchhiker	I-Application
's	I-Application
Guide	I-Application
to	I-Application
the	I-Application
Galaxy	I-Application
series	O
.	O
</s>
<s>
SubEthaEdit	B-Operating_System
was	O
first	O
released	O
under	O
the	O
name	O
Hydra	O
in	O
early	O
2003	O
but	O
,	O
for	O
legal	O
reasons	O
,	O
the	O
name	O
was	O
changed	O
to	O
SubEthaEdit	B-Operating_System
in	O
late	O
2004	O
.	O
</s>
<s>
In	O
2007	O
,	O
TheCodingMonkeys	O
licensed	O
the	O
"	O
Subetha	O
Engine	O
"	O
to	O
Panic	O
for	O
use	O
in	O
Coda	B-Operating_System
.	O
</s>
<s>
In	O
June	O
2014	O
,	O
SubEthaEdit	B-Operating_System
4	O
was	O
released	O
,	O
distributed	O
exclusively	O
in	O
the	O
Mac	B-Application
App	I-Application
Store	I-Application
.	O
</s>
<s>
With	O
version	O
5	O
released	O
in	O
2019	O
,	O
the	O
application	O
became	O
free	B-Application
and	O
open	O
source	O
,	O
under	O
the	B-License
MIT	I-License
license	I-License
.	O
</s>
<s>
Apart	O
from	O
the	O
usual	O
text-editing	O
capabilities	O
,	O
collaborative	O
editing	O
is	O
one	O
of	O
SubEthaEdit	B-Operating_System
's	O
key	O
features	O
.	O
</s>
<s>
Using	O
Bonjour	B-Application
(	O
formerly	O
Rendezvous	O
)	O
and	O
BEEP	B-Protocol
,	O
SubEthaEdit	B-Operating_System
works	O
without	O
any	O
configuration	O
on	O
the	O
LAN	B-General_Concept
but	O
can	O
also	O
coordinate	O
collaborative	O
editing	O
over	O
the	O
Internet	O
.	O
</s>
<s>
SubEthaEdit	B-Operating_System
can	O
be	O
used	O
for	O
distributed	O
pair	O
programming	O
and	O
collaborative	O
note-taking	O
in	O
conferences	O
.	O
</s>
<s>
Other	O
SubEthaEdit	B-Operating_System
features	O
include	O
:	O
</s>
