<s>
Disco	B-Operating_System
is	O
a	O
discontinued	O
application	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
developed	O
by	O
Austin	O
Sarner	O
,	O
Jasper	O
Hauser	O
and	O
Jason	O
Harris	O
.	O
</s>
<s>
The	O
software	O
is	O
an	O
optical	B-Application
disc	I-Application
authoring	I-Application
utility	O
,	O
which	O
allows	O
users	O
to	O
burn	B-Application
CDs	I-Application
and	O
DVDs	O
with	O
multisession	O
support	O
,	O
disc	O
duplication	O
,	O
burning	O
VIDEO_TS	O
folders	O
,	O
disc	B-Application
spanning	I-Application
as	O
well	O
as	O
a	O
searchable	O
disc	O
index	O
,	O
dubbed	O
Discography	O
.	O
</s>
<s>
Disco	B-Operating_System
also	O
features	O
an	O
interactive	O
"	O
3D	O
smoke	O
"	O
animation	O
which	O
is	O
visible	O
when	O
burning	O
.	O
</s>
<s>
Disco	B-Operating_System
was	O
designed	O
as	O
a	O
low-cost	O
alternative	O
to	O
the	O
popular	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
optical	B-Application
disc	I-Application
authoring	I-Application
application	O
,	O
Roxio	B-Operating_System
Toast	I-Operating_System
.	O
</s>
<s>
Since	O
its	O
launch	O
in	O
2007	O
,	O
Disco	B-Operating_System
was	O
available	O
as	O
shareware	B-License
,	O
requiring	O
users	O
to	O
purchase	O
a	O
license	O
after	O
burning	O
seven	O
discs	O
with	O
it	O
on	O
a	O
single	O
computer	O
.	O
</s>
<s>
In	O
July	O
2011	O
development	O
was	O
discontinued	O
and	O
a	O
free	O
license	O
code	O
to	O
activate	O
the	O
application	O
was	O
published	O
on	O
its	O
official	O
website	O
,	O
effectively	O
making	O
the	O
application	O
available	O
as	O
freeware	B-License
.	O
</s>
